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手持式激光测距仪Laser Distance Meter用户手册User's Manual
4 PA
2024L136-44
产品执行标准：GB/T7247.1-2024 GB44703-2024
安全条例
初次使用仪器前， 请先仔细阅读安全条款和操作指南
A在使用仪器之前请仔细阅读本手册中的所有操作指南和安全条例，没有按照本手册所指引的操作方法使用仪器有可能会造成仪器的损害、影响测量精度、对使用者或第三者的人身伤害。
4不要用任何方式自行打开或修理仪器，严禁非法改装或改变仪器激光发射器的性能。请妥善保管仪器，不要放置在儿童可以接触到的地方，避免无关人员的使用。
A严禁用仪器激光器照射自已或他人的眼睛及身体其他部位，严禁将激光器照射在高反光的物体表面上。
仪器电磁辐射可能对其他设备和装置造成干扰，请不要在飞机或医疗设备附近使用本仪器，不要在易燃、易爆的环境中使用仪器。
4仪器更换的废旧电池和报废的仪器不可与生活垃圾一同处理，请按国家或者当地的相关法律规定处理废旧电池和报废仪器
A仪器出现任何的质量问题，或对使用仪器有任何疑问时请及时联系当地经销商或深达威科技厂家，我们将第一时间为您解决。
显示屏、键盘
显示屏
·电量指示
·数据存储指示
·长度/面积/体积/
射式 →↑ -888°
·角度指示 MAX 188.8.8.8
·最大值指示 188.8.8.8
·辅显示区 1188888
·最小值指示
·主显示区 188.88.8键盘
·开机、测量键READ
·累加/累减/存储键四全 ± 自
面积/体积/三角模式/声音键凯u OFFCLEAR
·测量基准/单位选择
·关机、清除键
锂电池
·内置3.7V850mAh锂电池供电，不可拆装。仪器自带充电电路，具有明晰的欠压指示、充电指示。
电池充电：请使用具有安全认证的DC5V>0.8A充电器，建议用手机充电器充电。
，电池用过一段时间后容量不足时，开不了机或开机后电池符号空白闪烁显示，需要及时充电。插入USB充电，电池符号条形柱滚动显示，充满电后会显示，且闪烁。
电池保养
长时间不使用时，先把产品充满电，并每半年再充电一次，以免电池放电损坏。
启动仪器、功能设置
启动仪器和关闭仪器
关机状态下，按 READ 键，仪器和激光同时启动，仪器进入待测模式。
开机状态下，长按 OFF 键3秒关闭仪器。150秒内未对CLEAR
仪器进行任何操作，仪器将自动关闭。
单位设定
长按键，进入测量单位调整状态，可重置当前测量单位，本机默认的单位为：0.000m，该仪器提供了6种单位可供选择。
| 长度 | 面积 | 体积 | |
| 1 | 0.000 m | 0.000 m² | 0.000 m³ |
| 2 | 0.00 m | 0.00 m² | 0.00 m³ |
| 3 | 0.0 in | 0.00 ft²2 | 0.00 ft³ |
| 4 | 0 1/16 in | 0.00 ft² | 0.00 ft³ |
| 5 | 0'00" 1/16 | 0.00 ft² | 0.00 ft3 |
| 6 | 0.00 ft | 0.00 ft² | 0.00 ft3 |
\bullet 测量基准设置
短按基准键进行设置前端基准、中端基准和末端基准的相互转换，系统默认为末端基准。
背光灯开启/关闭
本仪器背光灯为自动开和关。仪器在键入任一按键后，背光灯会持续打开15秒，15秒后，仪器无操作将自动关闭背光灯，以节省电源。
声音开启/关闭
仪器提供人工语音播放功能，用户可根据语音提示来进行操作，使得仪器更加人性化。长按键，关闭语音功能，仪器提示“语音关”，再长按键，开启语音功能，仪器提示“语音开”。
自助校准功能
为保证仪器的精准度，提供了自助校准功能。
校准方法：在关机状态下，持续按住 OFF 键，再按READCLEAR键开机，松开键，直到屏幕出现‘下端有闪烁的数字，进入自助校准模式。此时用户可根据仪器的误差用 键对这个数值进行调整。
调整范围为：-9\~9mm。
例如：实际距离为3.780m
若本机测量值为3.778m，比实际值小2mm，则可进入校准模式，用+键将校准值在现有基础上上调2mm。
若本机测量值为3.783m，比实际值大3mm，则可进入校准模式，用回 键将校准值在现有基础上下调3mm。
调整完毕后，按 READ 键保存校准结果。
单次测量
待测模式下短按 READ 键，仪器激光发射，锁定测量点。再按 READ 键进行单次距离数据的测量，测量结果显示在主显示区。
连续测量
待测模式下长按 键，进入连续测量状态，屏幕上辅助显示区会显示此次连续测量过程中的最大测量值和最小值。
主显示区会显示当前测量值，短按 READ 键或键退出连续测量模式。
面积测量
按键一次，屏幕会显示口，长方形一条边闪烁。
根据提示完成下列操作：
按 READ 键进行第一条边的测量（长）
按 READ 键进行第二条边的测量（宽）
仪器会自动进行面积运算，结果显示在主显示区。辅助显示区显示长方形的长和宽的测量值。
在测量过程中，还可以键入 CLEAR 清除本次测量结果重新测量。
按 CLER 键，退出面积测量状态，进入长度测量模式。
体积测量
按 键二次，系统进入体积测量状态，仪器进入体积状态，屏幕上会有一个立方体闪烁，根据提示完成下列操作：
按 READ 键进行第一条边的测量 （长）按按 READ 键进行第二条边的测量 （宽）READ 键进行第三条边的测量 （高）
仪器会自动进行体积运算，结果显示在主显示区。
辅助显示区显示立方体的长宽高的测量值。
在测量过程中，还可以键入 OFF 清除本次测量结果重CLEAR
新测量。
按 CLER 键，退出体积测量状态，进入长度测量模式
墙面面积测量
短按 四全 三次，屏幕显示 一，根据提示完成下列操作：
按 READ 测量键，测得墙面的高度；
按 READ 测量键，测得墙面1的宽度1；
仪器会自动计算墙面的面积=高度×宽度1；
按 READ 测量键，测得墙面2的宽度2；仪器会自动计算墙面的面积总和
面积总和=高度×(宽度1+宽度2)
依次类推，按 READ 测量键，测得墙面n的宽度n；面积总和=高度×(宽度1+宽度2+......+宽度n)；1 自 ↑ 1 自 ↑ 1 自
□ 900° 8. 0° 日 00°
U 石 6 6 0.02.598 m 2.598 m 2.598 m！ m 6.330 m 2.536 m. m m 2.5.16 m0.000 2 6.589 2 13.125 2m m m
在测量过程中，还可以键入 OFF 清除本次测量结果CLEAR
重新测量。
显示区无数据时，按 OFF 键，退出面积测量状态，CLEAR
进入长度测量模式。
仪器预设有四种利用勾股定理测量三角形单边距离模式，方便用户在特定复杂环境下进行间接测量。
测角测高
仪器短按 全 键四次进入三角测角测高模式：按READ 键依屏幕提示先测出虚线斜边的长度(a)同时测出斜边与底边夹角α。仪器自动计算水平距离b与垂直高度h。
测量直角三角形两直角边，间接测量斜边长度
N
点击 键五次，屏幕显示： 直角边闪烁
按 READ 键依屏幕提示测出一条虚线的长度(a)
按 READ 键测出另一条虚线角边的长度(b)
仪器自动计算实线斜边的长度(×)
③点击 四全 键六次，屏幕显示： 斜边闪烁按 READ 键依屏幕提示先测出一条虚线的长度(a）
按 READ 键测出中间一条虚线边的长度(b)
按 READ 键测出另一条虚线边的长度（c）
仪器自动计算出实线三角形一条边的长度 ( { ±b x } )
④点击 四全 键七次，屏幕显示： \triangleleft 斜边闪烁按 READ 键依屏幕提示测出一条虚线边的长度(a)按按 READ 键测出如图虚线边的长度(b)READ 键测出如图另一条虚线斜边的长度(c)
仪器自动计算出实线直角边的长度 ( { ±b x } )
勾股测量模式下，直角边必须小于斜边长度仪器才能计算，否则仪器会显示错误信号提示。在勾股测量模式下，为保证测量的精度，须确保从同一个起始点测量，并按斜边、直角边测量顺序测量。
加减测量功能
单段距离测量可通过加/减运算进行累加或累减操作。用户在测量单段距离得到一次测量结果后，再通过键进入累加累减功能选择，短按键，当屏幕测量主显示区出现“+”，进入累加测量模式，屏幕显示上次测量值与当次测量值的累加值。
短按键，当屏幕测量主显示区出现“-”，进入 累减测量模式，屏幕显示上次测量值与当次测量值 的差值。
不仅距离可累加累减，面积和体积也可进行累加累减，下面举例说明面积的累加累减功能，体积的累加累减与此类似。
面积累加：测量第一个面积，得到结果如下图1所示然后按下键，再测量第二个面积，得到结果如下图2所示，在左下角会显示一个加号。最后，按下键得到两次面积求和的结果，结果如图3所示。
\* 自
白 & 90.0° 0598 m 0.598 m m 0.358 2 m
\*↑ 自
的 6 90.0° 0.598 m 0.665 m m 0.398 2 m
\*↑ 自
8. 6 90.0° m 0.358 m 0.398 2 m 0.756 2 m
测量记录自动存储功能
测量模式下：当前数据有效时，测量数据自动存储到仪器内存中。
在面积，体积，三角形间接测量模式下，当所有测试结束后，也将自动存储。
存储满时，仪器会自动覆盖最早的记录。
浏览/删除记录：
长按键，查询已储存的测量记录，用或 全
键浏览记录
在浏览记录过程中，长按 OFF 键清除所有记录。CLEAR
短按 READ 键或 CLER 键退出该状态。
角度测量
显示屏上方时刻显示有角度信息，角度的测量范围是-90 ～90°
提示信息
使用过程中，主显示区可能会出现如下提示信息：
| 信息 | 原因 | 解决方法 |
| Err | 超出距离测量范围 | 让仪器在量程范围内使用 |
| Err1 | 信号过弱 | 测量反射能力强的目标点 |
| Err2 | 信号过强 | 测量反射能力弱的目标点 |
| Err3 | 电池电压过低 | 对电池进行充电 |
| Err4 | 超出工作温度范围 | 让仪器在指定环境中使用 |
| Err5 | 勾股测量违规 | 重新测量，确保斜边大于直角边 |
| Err6 | 角度传感器错误 | 返厂进行维修 |
技术参数
| 项目 | SW-50GT | SW-70GT | SW-100GT | SW-120GT |
| 最大测量距离 | 0.05-50m | 0.05-70m | 0.05-105m | 0.05-125m |
| 距离测量精度 | ±（2mm+D*1/10000) | |||
| 倾角测量范围 | ±90° | |||
| 角度精度 | ±1° | |||
| 连续测量功能 | √ | |||
| 面积体积测量 | √ | |||
| 勾股测量功能 | √ | |||
| 测角测高功能 | √ | |||
| 加减测量功能 | √ | |||
| 面积体积加减 | √ | |||
| 最大/最小值 | √ | |||
| 自助校准功能 | √ | |||
| 语音播报 | √ | |||
| 屏幕 | 段式LCD2.2英寸 | |||
| 激光等级 | 2级 | |||
| 激光类型 | 520nm±10nm，790nm±10nm， | |||
| 存储记录笔数 | 99笔 | |||
| 自动切断激光 | 20秒 | |||
| 自动关机 | 150秒 | |||
| 满电工作时间 | 单次测量5000次 | |||
| 存储温度范围 | -20°C~60°℃ | |||
| -10°C~50°C | ||||
| 工作温度范围 | ||||
| 存储湿度 | 20%~80%RH | |||
| 电池规格 | 3.7V850mAh锂电池 | |||
| 充电规格 | DC5V0.8AType-C | |||
| 充电时长 | 约1.5小时 | |||
| 外形尺寸 | 118x54x25.7mm | |||
\*“d”表示实际距离
\*\*在恶劣环境下如：阳光过于强烈。环境温度波动过大，反射面反射效果较弱，电池电量不足的情况下测量结果会有较大的误差，此种情况配合目标反射板使用效果更佳。
仪器日常保养
禁止将仪器长期放置在高温高湿的环境中储存，长期不使用仪器时，请把仪器放置在随机的仪器套内放在阴凉干爽处存放。请保持仪器表面清洁，可用湿的软布擦拭表面灰尘，不可用带有腐蚀性洗液清洁仪器。可按照擦拭光学器件表的方法擦拭激光器窗口和聚焦镜。
装箱清单
购买仪器时请按下列清单认真检查仪器所有附件是否完整？
| 项目 | 名称 | 单位 | 数量 | 备注 |
| 1 | 主机 | 台 | 1 | |
| 2 | 仪器便携包 | 个 | 1 | |
| 3 | 挂绳 | 条 | 1 | |
| 4 | 锂电池 | 块 | 1 | 内置不可拆 |
| 5 | 说明书 | 本 | 1 | |
| 6 | 保修合格证 | 张 | 1 | |
| 7 | 彩盒 | 个 | 1 | |
| 8 | USB Type-C线 | 条 | 1 | |
| 9 | 反光板 | 个 | 1 | 仅100米以上有 |
检验员： 日期：
4 CE
Safety Regulations
Please read the safety regulations and operation guide carefully before operating.
4 Please read all of the operational guide and safety regulations in this manual before operation . Improper operations without complying with this manual may cause damage to the device, influence on measurement result or cause personal injury to the user or a third party.
4 The instrument is not allowed to disassemble or repair in any ways. It is forbidden to do any illegal modification or performance change for laser emitter. Please keep it out of reach of children and avoid being used by any irrelevant person.
4 It is strictly prohibited to shoot eyes or other parts of body with the laser. It is not allowed to take the laser to shoot the surface of any highly reflective objects.
4 Due to electromagnetic radiation interference to other equipment and devices, please don't use the meter in the plane or around medical equipment, don't use it in inflammable, explosive environment.
4 Discarded meter device should not be processed just like household garbage,please handle it in line with related law and regulations.
4 Any quality issues or any questions on the meter,please contact local distributors or manufacturer in time,we are ready to offer Solutions for you.
● Display
· Power Supply
·Record
· Length,Area, Volume and Pythagorean 888] 自
· Laser on 旺 -88.8°
· Angle 188.8.8.8
· Maximum 188.8.8.8
· Auxiliary Display
·Minimum 188.8.8.8m +188.8.8.8
· Major Display
● Keyboard
· Turn on/Measuring
· Addition & READ Subtration/Save 四金 +四
· Sound/Area/Volume/ Pythagorean Mode 凯u OFF
· Reference Point/ CLEAR Unit Switch
·Turn off/Remove
Lithium Battery
· The built-in 3.7V 850mAh lithium battery is nonremovable.The instrument has its own charging circuit,with clear undervoltage indication and charging indication.
· Battery charging: The charging head should be of good quality and DC5V { > } 0 . 8 \mathsf { A } output. It is recommended to use the mobile phone charging head for charging.
• The instrument shall be charged in time when running out of battery or its battery symbol shows blank and flashes after being turned on due to its insufficient battery capacity. Insert USB to charge, and the battery symbol scrolls display .When fully charged, it will display and flash.
Battery Maintenance
Keep it with full power if no operations for a long time; and charge it once every half year to avoid the battery damage.
Start the instrument/Menu Setting
Turn on/off the Instrument
Under off status, press button READ ，device and laser get starting simultaneously and stand by for measurement.
Under on status, long press button OFF for 3 CLEAR seconds to turn the device off. The device can also be shut off without any operation for 150 seconds.
· Unit setting
Long press button u，reset current measurement unit, the default unit is:O.o00m.
There are 6 units for selection.
| Length | Area | Volume | |
| 1 | 0.000 m | 0.000 m² | 0.000 m³ |
| 2 | 0.00m | 0.00 m² | 0.00 m³ |
| 3 | 0.0 in | 0.00 ft² | 0.00 ft3 |
| 4 | 0 1/16 in | 0.00 ft² | 0.00 ft3 |
| 5 | 0'00" 1/16 | 0.00 ft² | 0.00 ft3 |
| 6 | 0.00 ft | 0.00 ft² | 0.00 ft3 |
● Changing Reference Point
Short press u to change the reference point .
System default reference point is bottom.
BackLight On/Off
The back light is set to turn on and off automatically The back light can be on for 15s while operating, and it will be shut off automatically in 15s when there is no operation to the device.
Sound On/Off
Long press button to turn on or off the buzzer.
This function can keep the precision of the device. Instruction: Power off, Long press button，and then press RD.Release the button RD， then release button OFF till "CAL" and a figure under it CLEAR display on the screen.User can adjust the figure with button+ according to the accuracy of the meter. Adjusting range: -9 to 9mm, then,long press button READ to save the calibration result.
Length Measurement & Calculation
Single Distance Measuring:
Turn on the laser beam by short press of the button READ under measuring mode, press the button READ again for single measurement of length, then the measured results displayed in the major display area.
●Continuous Measuring:
Long press button READ under measuring mode and enter into continuous measuring mode . Maximum measuring result displays in auxiliary display area, present result displays in major display area. Short press button READ OrEAR to exit continuous measuring mode.
●Area Measurement:
Press button，shows on the screen.One of the side of rectangle blinking on the display,please follow the below.
instructions for area measuring:
Press once for length Press again for width
The device calculates and shows the result in the majordisplayarea.
Theresent measuring result of length is showed in the auxiliary display area.Press OFF ，clear off the CLEAR result and measuring again if necessary.
Press OFF again to exit the mode. CLEAR
·Volume Measurement
Press button twiceto enter volume measurement mode.A will shows on the top ofscreen.Please follow the below instruction for volume measuring:
Press READ for Length Press READ again for Width Press A thirdly for height READ
Thedevice calculates and shows the result in the major display area.
Press OFF clear off the result and measuring CLEAR
again if necessary.
Press OFF again to exit the mode. CLEAR
·Painter Function
When the meter is in area mode, you can use the add / subtract function to total up the area of several surfaces.
Press button three times till showing in the display.
Press READ to measure the height of the wall first; Press ? to measure the bottom edge of the first READ
wall, get the first area in the major display area; Press READ to measure the bottom edge of another wall, get the sum of these two walls.
1 自 ↑ M 自 ↑ M 自 U. > 石 900° B 6 0° 8. 6 00° 0.0 2.598 m 2.598 m 2.598 m m 2.030 m 2.536 m m m 2.516 m . 2 6.589 2 13.125 2 m m m
Repeat these operations for more walls. Press button .to clear the previous measuring result and start new measurement.
When there is no data in the Auxiliary Display area, press button to exit the mode.
· Pythagoras
There are four Pythagoras modes in case that user gets hard to reach the target.
1. Calculate the length of two legs by measuring the hypotenuse and the angle.
Short press 四全 four times,when the hypotenuse of blinking,
Press READ ,measure the length of hypotenuse (a), and calculates the angle(α) between the bevel and the bottom at the same time.
Device calculates the horizontal distance (b) and vertical height (h) .
2. Calculate the hypotenuse by measuring the length of two legs.
Short press five times,when one leg of blinking,
Press READ , measure the length of one leg (a) Press R，measure the length of another leg (b) Device calculates the length of hypotenuse (x)
3.Press six times till the one side of blinking on the screen.
Press READ , measure the length of one side (a) Press H,measure the length of the median line (b) Press ，measure the length of another side (c) Device calculates the length of the leg in full line (x)
4.Press seven times till the hypotenuse of < blinking on the screen. Press READ ，measure the length of one hypotenuse (a) Press READ , measure the length of another hypotenuse (b) Press HD，measure the length of one leg (c) Device calculates the length of the leg in full line (x)
Legs must short than hypotenuse,or there will be "Err" shows on screen. In order to guarantee the accuracy, please make sure all measurements are start from the same point.
●Addition/subtraction
The device can be used for length addition and subtraction. Press + to select the function once get the length measuring result.
Short press E，"+" shows in the major display area, entering cumulation mode.Value of last measurement and the result of cumulation will be showed on the screen.
Press again,"-" shows in the major display area, entering regressive mode.Value of last measurement and the result of cumulation will be showed on the screen.
Do round-robin selection between continous addition and continuous subtraction by pressing button £国
Not only length can be calculated in addition and subtraction,but area and volume can do the calculation as well. Take area as sample:
Area cumulative function: Measure the first area as showing in PlC1.Then press button ，and measure the second area as showing in PIC2, there is a " + " in the left bottom. At last, press button RE to get the summation result of these two areas which is showing in PlC3.
\*↑ 自 \*↑ 自 \*↑ 自
的 6 90.0° 的 4 90.0° 的 90.0°0.598 m 0.598 m m0.598 0.665 0.358 2m m m0.398 2m m m0.358m + 0.398 2 0.756 2m mPIC1 PIC2 PIC3
Measurement Record Automatic Storage Function
In measurement mode:When the current datais valid, the measurement data is automatically stored in the instrument memory.
Inarea,volume, triangle indirect measurement mode: data will also be automatically stored when all tests are completed.
When the storage space is full, the instrument
automatically overwrites the earliest records.
●Read/Delete the Record:
Long press + key to view the stored measurement record and browse the record with Eor key. While browsing the records, long press key to clear all records.Short press READOrkey to exit the state.
•Angle measurement
The angle information is displayed at the top of the screen, and the angle measurement range is - 9 0 . 0 ^ { \circ } to 9 0 . 0 ^ { \circ } ·
Tips
You may get some warning information as below:
| Info message | Cause | Solution |
| Err | Out of distance measurement range | Use the device within the range |
| Err1 | Signal is too weak | Chose the surface with stronger reflectance. Use the reflecting plate. |
| Err2 | Signal is too strong | Chose the surface with weaker reflectance. Use the reflecting plate. |
| Err3 | Low battery voltage | Charging the battery |
| Err4 | The working temperature is out of working range | Use the device in the specified temperature. |
| Err5 | Pythagoras measuringerror. | Re-measure and ensure that Hypotenuse is bigger than Cathetus. |
| Err6 | Angle sensor error | Depot Repair |
| ITEM | SW-50GT | SW-70GT | SW-100GT | SW-120GT |
| Working Range | 0.05-50m | 0.05-70m | 0.05-105m | 0.05-125m |
| Pistance measurement | ±(2mm+d*1/10000) * | |||
| Angle Range | ±90° | |||
| Angle accuracy | ±1° | |||
| Continunuts measure | √ | |||
| Areasand Velufunction | √ | |||
| Pythagorean proposition measurement function | √ | |||
| Add and subtract measurement function | √ | |||
| Aureaimeasurement | √ | |||
| Wall area measurement | √ | |||
| Min/Max value | √ | |||
| Self-Calibration | √ | |||
| Buttons/Keys sound | √ | |||
| Display screen | 2.2" segment LCD class 2 | |||
| Laser level | ||||
| Laser type | 520nm±10nm，790nm±10nm， | |||
| Max storage | 99 units | |||
| Automaiselly | 20s (single measurement) | |||
| Automatic shutdown | 150s Single measuring | |||
| Operating times | 5000 timesafterone time full charging | |||
| Storage temperature | -20°C~60°℃ | |||
| Working temperature | -10°C~50°℃ | |||
| Storage humidity | 20%~80%RH | |||
| Battery | 3.7V 850mAh Li-ion | |||
| Charging Specification | DC5V 0.8A Type-C | |||
| Charging Time | About 1.5 hours | |||
| Dimension | 118x54x25.7mm | |||
Note:\* "d" indicates the actual distance.
\*\* In harsh environment, such as: sunlight is too strong, the ambient temperature fluctuates excessively, the reflection effect of the object's surface is weak, the battery is low, the measurement results will have a large error, so a reflecting plate is needed.
Instrument Maintenance
The meter should not be stored in high temperature and humid environment for a long time. If it is not used very often, please place the meter in the box and store it in cool and dry place.
Please keep the device surface clean.Use a soft wet cloth to wipe the dust on the surface. Do not use corrosive liquid to clean the device.Use the same method as wiping optical devices to wipe the meter and focusing mirror.
Packing List
Please check if the accessories are completed according to the belowlist.
| No. | Item | Unit | QTY | Note |
| 1 | Meter | pc | 1 | |
| 2 | Portable bag | pc | 1 | |
| 3 | Hand strap | pc | 1 | |
| 4 | User Manual | pc | 1 | |
| 5 | Gift Box | pc | 1 | |
| 6 | Type-C Cable | pc | 1 | |
| 7 | Reflector | pc | 1 | J0otavailable for |
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深达威科技（广东）股份有限公司Sndway Technology(Guangdong) Co., LTD.
地址：广东省东莞市虎门镇虎门团结路58号
Add:No.58,Humen Tuanjie Road,Humen Town,
Dongguan City, Guangdong Province, China
全国咨询服务热线/ServiceHotline：400-125-6969
电话/Tel:0769-85265688
网址/web：www.sndway.com
邮箱/E-mail:market@sndway.com
