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DONGYUEFUTURE HYDROGEN ENERGYMATERIAL
全氟磺酸树脂及功能膜系列Perfluorosulfonic Acid Resin and Functional Membrane Series山东东岳未来氢能材料股份有限公司，成立于2017年12月19日，注册地：淄博市东岳经济开发区。公司专注于含氟功能膜及配套关键材料的研发、生产与销售，以先进含氟功能膜及其关键材料为主要产业方向，立足于核心原料自主可控、主要产品进行国产替代，围绕全氟环氧化合物作为关键原料进行一体化产业布局。公司愿景“做受人尊敬的公司，成为全球领先的含氟功能膜和关键材料企业”。
公司共设南北两个厂区，南区为150万平方米燃料电池质子膜生产厂区，由综合研发中心和国际先进的标准化膜车间组成；北区为燃料电池质子膜配套工程，以提供全产业配套的高科技关键材料。公司主营产品包括氢燃料电池质子膜、水电解制氢膜、液流电池膜、膨体聚四氟乙烯(ePTFE）、全氟磺酸离子交换树脂、全氟羧酸离子交换树脂、乙烯-四氟乙烯共聚物(ETFE\F40）、可熔性聚四氟乙烯（PFA）、全氟弹性体（PFE）、六氟环氧丙烷(HFPO）、全氟正丙基乙烯基醚(PPVE）、全氟甲基乙烯基醚(PMVE）等诸多产品。
历经二十余年科研攻关，公司形成了从原料、中间体、单体、聚合物、到成膜技术、功能化技术等全产业链条，掌握自主核心技术，拥有强大的市场竞争力。公司主打产品高性能燃料电池质子膜通过了奔驰6000小时测试，技术处于业界领先水平。其他产品性能优异，产品质量和供应保障能力得到国内外客户的广泛认可，被广泛用于化工、电子、医药、农业、汽车、半导体、新能源等重要领域，同时与众多下游龙头企业建立起了紧密的产业合作关系。
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Aftermore than2Oyearsofscientificresearch,thecompanyhasformedawholeindustrychainfromrawmaterials,intermediates, monomers,ostgoloctioltioolsterdepdetoeoldse competiveness.eompay'sshipproduthigrfoancefuelcellprotomebanespasedtercednzoourtest andthetechologyisattheiustry-ladinglevelOterprouctsavexceletpeformaceproductqualityndsupplyssuraeability hasbenidelodicdosdideledicaltoicure semiconductorndrportatfeldsndasablishdoseustraloeatioaioshitaor leading enterprises.
全氟磺酸树脂产品PerfluorosulfonicAcidResin
全氟磺酸树脂是含氟高分子材料中的一种特殊聚合物，具有超常稳定性和耐化学介质性能。广泛应用于全氟磺酸质子膜燃料电池、氯碱工业、锂离子二次电池、其它电解装置、污水处理、化学催化、光催化、气体分离、功能复合材料特别是机器人用电活性聚合物等领域。
Perfluorosulfonicacid resin isa special polymer in fluorine-containing polymer materials,which has exceptional stability and resistance to chemical media.Widelyused in perfluorinated proton membrane for fuelcells,chloralkali industry,lithiumionsecondary battries,otherelectrolysisdevices,sewage treatment,chemicalcatalysis, photocatalysis,gas separation,functional composite materials,especiallyelectroactive polymers forrobots,etc..
全氟磺酸树脂技术指标
Technical Specifications of Perfluorosulfonic Acid Resin
| 项目 Item | 单位 Unit | DHS1103F | DHS1103N | DHS1103H | DHS1085H |
| 端基状态p | / | -SOF | -SO3Na | -SO3H | -SO3H |
| 外观 Appearance | 白色粉末或颗粒 White Powder or Particle | ||||
| 离子交换容量 IonExchange Capacity | mmol/g | 1.03±0.02 | 0.85-0.90 | ||
| 分解温度 Decomposition Temperature | ℃ | >350 | >250 | ||
| 密度 Density | g/cm³ | 1.98±0.05 | |||
全氟磺酸树脂分散液
Perfluorosulfonic Acid Iononmer Dispersion
全氟磺酸树脂分散液，由全氟磺酸树脂(PFSA)分散到不同溶剂体系中制备而成。具有粘度低、离子传导效率高、性能均一稳定等特点，主要应用于燃料电池用质子交换膜生产、电解质薄膜生产、聚四氟乙烯表面功能性处理、催化剂涂层制备、电化学传感器生产等领域。
Perfluorosulfonicacid ionomerdispersion is mainlyused toprepare fuelcellelectrodes and electrolyte membranes produce and repair proton exchange membranes,PTFE surface hydrophilic treatment,catalyst coating electrochemical sensor production.
VOC含量小于5%的水体系树脂溶液牌号及技术要求
Gradeand Technical Requirements of Aqueous Resin Solution With VOC Content Less Than 5 %
| 产品牌号 PruductNumber | DHa105 | DHa1110 | DHa115 | DHa120 |
| 牌号第三位a，为EW值代号（2,3,4） EW (a for EW) | a分别是2:950-1000，3:780-830，4:700-800（短支链）。 a(2,3,and 4)，represent EW (950-1000,780-830,700-800). | |||
| 聚合物含量（wt%) Solid Content (wt%) | 5.0~6.0 | 10.0~11.0 | 15.0~16.0 | 20.0~21.0 |
| 含水量(wt%) Water(wt%) | >89 | >84 | >79 | >74 |
| VOC含量(wt%) VOC(wt%) | ||||
| 粘度，25℃（cP) Viscosity，25℃(cP) | ||||
醇/水体系树脂溶液牌号及技术要求
Alcohol/WaterSystemResinSolutionGradeand Technical Requirements
| 产品牌号 PruductNumber | DHab05 | DHab10 | DHab15 | DHab20 |
| 牌号第三位a，为EW值代号（2,3,4) EW (a for EW) | a分别是2:950-1000，3:780-830，4:700-800。 a(2,3,and 4)，represent EW(950-1000,780-830,700-800). | |||
| 牌号第四位b，为溶液体系代号（2.3） | b分别是2：乙醇/水体系；3：丙醇/水体系。 b (2,and 3)，represent ethanol water system and propanol water system respectively. | |||
| 聚合物含量（wt%) Solid Content(wt%) | 5.0~6.0 | 10.0~11.0 | 15.0~16.0 | 20.0~21.0 |
| 含水量(wt%) Water(wt%) | 47.5±3 | 45±3 | 42.5±3 | 40±3 |
| VOC含量(wt%) | 47.5±3 | 45±3 | 42.5±3 | 40±3 |
| 粘度,y，C5（cP）P) | ||||
全氟磺酸树脂功能膜类产品PerfluorosulfonicAcidResinFunctionalMembrane
3.1液流电池膜
Perfluorosulfonic AcidMembranes
液流电池膜是一种采用全氟磺酸树脂制备，内部复合增强材料，具有阳离子单向通过特性的质子交换膜，具有厚度小、强度大、溶胀度低、尺寸稳定性高、耐久性好等特点，可广泛应用于全钒液流电池、铁铬液流电池等领域。
The product is made of perfluorosulfonic acid resin,and has areinforced materials inside,which allows cations one-way permeation.It shows good characteristics such as thin thickness,high strength,low swelingrate,high dimensional stabilityand durabilityetc.Itcanbe widelyused invanadium fow battery,Fe-Crflowbaery,etc..
液流电池膜各规格性能指标
FlowBatteryMembranesSpecificationsPerformanceIndicators
| 项目 Item | DMV850 | DM8120A | DM8115A | DM8130A |
| Tc(um) | 50±2 | 50±3 | 60±2 | 60±3 |
| 拉伸强度 (横向/纵向） (MPa) TensileStrength(TD/MD) (MPa) | W28/28 | W25/25 | ≥32/32 | ≥30/30 |
| 断裂伸长率 (横向/纵向） (%) ElongationatBreak(TD/MD) (%) | ≥150/150 | ≥200/200 | ≥150/150 | ≥150/150 |
| 穿刺强度（gf) Puncture Strength (gf) | W500 | W500 | W650 | W600 |
| 含水量(%) Water Content (%) | ≤5 | ≤7 | ≤7 | ≤7 |
| 溶胀率 (横向/纵向） (%) SwellingRatio (TD/MD)(%) | ≤5/5 | ≤7/7 | ≤5/5 | ≤5/5 |
| 钒离子渗透率（10cmminl) VanadiumIonPermeability(10cm²minl | ≤10 | ≤10 | ≤10 | ≤10 |
| 库伦效率(%) Coulomb Efficiency (%) | ≥96.5 | ≥96.5 | ≥96.5 | ≥96.5 |
| 能量效率(%) Energy Efficiency (%) | ≥82.5 | ≥82.5 | ≥81.5 | ≥81.5 |
| 电压效率 (%) Tensile Strength (TD/MD) (MPa) | ≥85.5 | ≥85.5 | ≥83.5 | ≥83.5 |
3.2全氟磺酸燃料电池质子膜 PerfluorosulfonicAcidMembranes
全氟磺酸燃料电池质子膜是一种固体聚合物电解质，具有优良的耐热性能、力学性能、电化学性能以及化学稳定性能，可在强酸、强碱、强氧化剂介质等苛刻条件下使用。质子膜制备的燃料电池可广泛应用于乘用车、商用车、叉车、无人机、备用电源、便携式发电机、供家庭和商业建筑使用的热电联产系统等。
Fuelcell proton membrane is a solid polymer electrolyte with excellent heat resistance,mechanical properties, electrochemical properties and chemical stability.It can be used under harsh conditions such as strong acids, strong bases,and strong oxidants.Fuel cels prepared by proton membranescan be widely used in passenger cars, commercial vehicles,forklifts,unmannedaerial vehicles,backup power sources,portable generators,cogeneration systems for homes and commercial buildings, etc.
全氟磺酸燃料电池质子膜各规格性能指标
PerfluorosulfonicAcidFuelCellProtonMembraneSpecificationsPerformance Indicators
| 项目 Item | DMR100 | DM2256 | DM2266 | DM2276 | DM2136 |
| T度n(umum) | 15±1 | 15±1 | 12±1 | 10±1 | 18±1 |
| 拉伸强度 (横向/纵向) (MPa) Tensile Strength (TD/MD) (MPa) | ≥30/30 | ≥30/30 | ≥30/30 | ≥40/40 | ≥30/30 |
| 断裂伸长率 (横向/纵向） (%) Elongation at Break (TD/MD) (%) | ≥100/100 | ≥ 100/100 | ≥100/100 | ≥100/100 | ≥100/100 |
| 弹性模量（横向/纵向） (MPa) Elastic Modulus (TD/MD) (MPa) | ≥250 | ≥300 | ≥300 | ≥300 | ≥300 |
| HydratR寸化率(TD/MD)e (TD/MD (%) | ≤5/5 | ≤5/5 | ≤5/5 | ≤5/5 | ≤7/7 |
| 电导率（mS/cm）85℃、50%RH Proton Conductivity (mS/cm) 85℃\50%RH | ≥30 | ≥40 | W50 | ≥50 | W50 |
| 氢气渗透率【cm³cm/(cm²-s.Pa)】 Hydric Permeability [cm³-cm/(cm²-s·Pa)] | ≤2*109 | ≤2*109 | ≤2*109 | ≤2*109 | ≤2*109 |
| Che学ida/hityC-C-RRH) | 800 | 800 | 800 | 800 | 1500 |
| 机械耐久性/次（80℃） MechanicalDurability/times(80℃) | 20000 | ||||
| 化学机械耐久性耦合/次（90℃） CombinedChemicalandMechanicalDurabili- ty/times (90℃) | 20000 | ||||
3.3水电解制氢膜
Perfluorosulfonic AcidMembranes
水电解制氢膜是一种固体聚合物电解质，是一种带有离子交换功能端基的全氟磺酸质子交换膜，具有优良的耐热性能、力学性能、电化学性能以及化学稳定性能，可在强酸、强碱、强氧化剂介质等苛刻条件下使用，广泛用于PEM水电解制氢等领域。
The product is a solid polymer electrolyte,a perfluorosulfonic acid proton exchange membrane with ion exchange function end groups.It has excellent heatresistance,mechanical properties,electrochemical properties and chemical stability.Itcan beused under harsh conditions suchas strongacids,strong bases,and strong oxidizers.It is widely used in the fields of PEM water electrolyzers.
水电解制氢膜各规格性能指标
PEMSpecificationsPerformanceIndicators
| 项目 Item | DME670 | DM6321 | DM6525 | DM6725 |
| 厚度（um） Thickness (μm) | 175±10 | 120±10 | 80±4 | 50±3 |
| 拉伸强度 (横向/纵向） (MPa) Tensile Strength(TD/MD)(MPa) | ≥25/25 | ≥28/28 | ≥30/30 | ≥30/30 |
| 断裂伸长率 (横向/纵向） (%) Elongationat Break (TD/MD) (%) | ≥200/200 | ≥200/200 | ≥250/250 | ≥250/250 |
| 杨氏模量（TD/MD） (MPa) Young'sModulus(TD/MD)(MPa) | ≥180/180 | ≥200/200 | ≥200/200 | ≥200/200 |
| 尺寸变化率 (TD/MD/Z） (%) HydrationDimensionalChange(TD/MD/Z)(%) | ≤25/25/25 | ≤25/25/25 | ≤15/15/45 | ≤15/15/40 |
| 质子传导率（mS/cm) Conductivity (mS/cm) | ≥140 | ≥140 | ≥140 | ≥140 |
膨体聚四氟乙烯 (ePTFE)
Expanded polytetrafluoroethylene (ePTFE)
膨体聚四氟乙烯（ePTFE）是以聚四氟乙烯树脂为原料经推挤、膨化拉伸形成的微孔膜，拥有特殊的纤维状微孔结构，力学性能高、孔径较小，具备防水、透气的特性，可用于电子产品、特种服装、工业过滤、医疗等领域，制备手机及扬声器用电子膜、纳米口罩、防护服、医用填充材料、海水淡化膜、污水处理膜、空气过滤产品等。
I 】
Expanded polytetrafluoroethylene (ePTFE)isamicroporous Membrane formed bypushing,expanding and stretching polytetrafluoroethylene resin as raw materials.It has a special fibrous microporous structure,high mechanical properties,small poresize,waterproofand breathable characteristics,and can be used in electronic products,pecial clothing,industrialfiltration,medicalandother fields.Preparationof mobile phoneand loudspeaker electronic Membrane,nanomask,protective clothing,medical filling material,seawater desalination Membrane,sewage treatment Membrane,air filtration products.
4.1ePTFE服装膜 ePTFEClothingMembrane
ePTFE服装膜主要用于特种防护服面料，如消防服、军服等，防寒服及户外运动服装。同时也可制造防水鞋帽、帐篷等，具有防水、防尘、透湿、防风等作用。与同类防水透湿膜相比，具有轻便、耐静水压高、透湿量大、穿着舒适等优点。
ePTFE clothing Membrane is mainly used in special protective clothing fabrics,such as fire clothing,military clothing,cold clothing and outdoor sports clothing.Atthe same time,itcan also make waterproof shoesand hats, tents,etc.,with waterproof,dustproof,moisture permeability,windproofandtherfunctions.Compared withsimilar waterproof and moisture permeable Membrane,it has the advantages of lightweight,high hydrostatic pressure resistance,large moisture permeability and comfortable wearing.
ePTFE服装膜技术指标 (DM3068F)
ePTFEClothingMembraneTechnicalSpecifications(DM3068F)
| 项目 Item | 单位 Unit | 测试标准 Method | 指标 Property |
| 宽幅 | m | GB/T4666 | 1.55-1.65 |
| 透湿性 Moisture Permeability | g/m²-24h | GB/T12704.1 | >8000 |
| 静水压 Hydrostatic Pressure | Pa | GB/T4774 | >100000 |
| 透气性 AirPermeability | mm/s | GB/T5453 | >1 |
4.2ePTFE过滤膜 ePTFEFilterMembrane
空气过滤用ePTFE膜材料微孔纤维交错排列、孔径小且均匀、孔隙率高、抗黏附性强、透气性好、阻力低，能够实现大多数污染固体颗粒烟尘及液滴的拦截阻隔，易于与玻璃纤维布、高温针刺毡等材料复合，可广泛的应用到冶金、化工、煤炭、热电厂、水泥及垃圾焚烧等行业。
ePTFEMembrane materialforair fltration has microporous fibers interleaved,smallanduniformporesize,high porosity,strong adhesionresistance,good permeabilityand lowresistance,which canrealize the interception and barierofmostpolutedsolidparticles,sootand liquiddroplets,and iseasytobecombinedwithglass fibercloth,high temperature needled feltand other materials.Itcan be widely used in metallurgy,chemical industry,coal,thermal power plant, cement and waste incineration and other industries.
ePTFE过滤膜技术指标 (DM3-L02)
ePTFEFilterMembraneTechnicalSpecifications(DM3-L02)
| 项目 Item | 单位 Unit | 测试标准 Method | 指标 Property |
| 宽幅 | m | GB/T4666 | ≤2.3 |
| 厚度 Thickness | μm | GB/T3820 | 10-30 |
| 克重ty | g/m² | GB/T4669 | 0.7-5 |
| Air P 气abilty | L/m²/s@200Pa | GB/T5453 | ≥70 |
4.3ePTFE电子膜
ePTFEElectronicMembrane
电子防水用ePTFE微孔膜，微孔结构稳定、孔径小且均匀，具有优异的液体阻隔和气体透过特性，在满足传统密封材料防水要求的同时，还能够平衡电子产品密封腔内压强及温度随环境变化带来的变化，作为压力平衡膜；另外，能够满足IPX8防水等级的同时，还可以实现声音的高品质传递，用作电子透声膜（Mic膜）。
Electronic waterproof ePTFE microporous Membrane,microporous structure is stable,smalland uniform pore size, with excellent liquid barrer and gas transmisson characteristics,to meet the traditional sealing material waterproof requirements atthe same time,but also to balance the pressure and temperature changes in the sealing chamberof electronic products with environmentalchanges,asapressurebalance Membrane;Inaddition,while meeting the IPX8 waterproofrating,itcanalsoachievehigh-quality sound transmisionandbe used as anelectronic sound transmission Membrane (Mic Membrane).
ePTFE电子膜技术指标
ePTFEElectronicMembraneTechnicalSpecifications
| 项目 Item | 单位 Unit | 测试标准 Method | 指标Property | ||
| 平衡膜DM3087D|Mic膜DM3089D BalanceMembrane | MicMembrane | 透气膜DM3020D PermeableMembrane | |||
| 厚度 Thickness | μm | GB/T3820 | 10-15 | 10-15 | 4-12 |
| 防水防尘等级 WaterProtection | (Φ1.6 mm) | IEC 529-598 | 5atm,50m30min | 5atm,50m30min | IP67/IP68 |
| 透气量 AirPermeability | ml/cm²/min@7Kpa | GB/T5453 | >200 | >200 | W7000 |
| 音损 Insertion loss | dB | ||||
4.4ePTFE缠绕膜 ePTFE Wrapped Tape
ePTFE缠绕膜，内部存在由微细的平行排列的纤维和纤维相互连结的结节所构成的网状结构，纤维之间的空隙充满了空气，独特的多孔结构使其具有很低的介电常数和介质损耗角正切值，具有质量轻、孔隙率高、良好的热稳定性和化学稳定性等特性，是良好的电缆绝缘材料。
ePTFE wrapped tape has a network structure composed of fine parallel fibers and interlinked nodules.The space between fibers is flled with air.Theunique porous structure makes ePTFEwith low dielectricconstant and dielectric lossAngle tangentvalue,lightweight,highporositygood thermalstabilityandchemicalstability.Itisagoodcable insulation material.
ePTFE缠绕膜技术指标
ePTFEWrapped Tape Technical Specifications
| 项目 Item | 单位 Unit | 测试标准 Method | 指标Property | |||
| DM3116R | DM3136R | DM3156R | DM3153R | |||
| 厚度 Width | m | GB/T4666 | 127±5 | 102±5 | 76±5 | 76±5 |
| 密度 Density | g*cm3 | GB/T3820 | 0.7/0.6±0.05 | 0.7/0.75/1.0/1.2±0.05 | 0.7±0.05 | 0.5±0.05 |
| 拉伸强度 Tensile Strength | MPa | QB/T3627-1999 | >20 | >25 | >40 | >25 |
| 断裂伸长率 Elongationat Break | % | QB/T3627-1999 | >30 | >30 | >30 | >30 |
注意事项
1.产品存储时请避免阳光直射，远离热源及灰尘，建议存储温度在 0 ^ { \circ } \mathbf { C } 和 3 2 ^ { \circ } \mathbf { C } 之间，并保持包装密闭。
2.产品在运输和保存中避免磕碰、挤压，表面禁止用手触碰，以免造成污染。
3.产品在运输过程中注意轻拿、轻放，防止挤压受损。
4.产品废料须遵循相关法律法规处理。
Attention
1.Keep the product away from direct sunlight,heat sourceand dust.The recommended storage temperature is between 0Cand 3 2 ^ { \circ } \mathbf { C } ,and keep the package sealed.
2.Avoid bumping and squeezing the productduring transportation and storage,and prohibit touching the surface by hand to avoid pollution.
3.The product should be handled gently during transportation to prevent damage from extrusion.
4.Product waste shall be handled in accordance with relevant laws and regulations.
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邮箱：sales@dyfhem.com
销售总监：窦红星
网址：http://www.dyfhem.cn/cn/Index.aspx
地址：山东省淄博市东岳经济开发区
MarketingDepartment
Tel: +86 0533 8510329
Zip code: 256401
E-mail: sales@dyfhem.com
Sales Director:Hong-xing Dou
website:http://www.dyfhem.cn/cn/Index.aspx
Add:Dongyue Economic Development Zone,Zibo City, Shandong Province
| 市场部门 Department | 联系人 Person in Charge | 联系方式 Telephone | 电子邮箱 E-mail |
| 办公室 Sales Office | 张宗国 Zongguo Zhang | 15153109167 | zongguo.zhang@dyfhem.com |
| 刘钰 Yu Liu | 13869305025 | yu.liu@dyfhem.com | |
| xg星Li | 18253386950 | xing.li@dyfhem.com | |
| 地址：山东淄博东岳经济开发区 Dongyue Economic Development Zone,Zibo City,handongProvince | |||
| Ji上海分公司ch | 苏艳飞 Yanfei Su | 15553327277 | yanfei.su@dyfhem.com |
| Chenx晨Zhang | 18560835352 | chenxiao.zhang@dyfhem.com | |
| 刘斯俭 Sijian Liu | 17864302909 地址：江苏省昆山市开发区中华园路1555号 | sijian.liu@dyfhem.com | |
| No.1555ZhonghuaGardenRoad,KunshanCity,Jiangsu Province | |||
| 广东分公司 Guangdong Branch | 张小峰 Xiaofeng Zhang | 15853358878 | xiaofeng.zhang@dyfhem.com |
| 李江山 Jiangshan Li | 15698068726 | jiangshan.li@dyfhem.com | |
| 地址：广东省广州市花都区叶榕街5-92号 No. 5-92, irongtreet,Huaduistrict,Guangzhou,Gdo | |||
| 浙江分公司 Zhejiang Branch | 元文奎 Wenkui Qi | 15866267099 | wenkui.qi@dyfhem.com |
| 周文哲 Wenzhe Zhou 地址：浙江省衢州市柯城区礼贤未来社区仁礼园 | 18678195098 | wenzhe.zhou@dyfhem.com | |
| Renli Garden,ixianuture Community,Kechengistrict,uhou | |||
| 山东分公司 Shandong Branch | 毕作章 Zuozhang Bi | 13287032458 | zuozhang.bi@dyfhem.com |
| 李跃 Yue Li | 13561630308 | yue.li@dyfhem.com | |
| 毕天豪 Tianhao Bi | 17861395800 | tianhao.bi@dyfhem.com | |
| 地址：山东省济南市槐荫区兴福街道中建锦绣城8-1-1001 | |||
| 湖北分公司 Hubei Branch | 郭永俊 Yongjun Guo | 18953348084 | yongjun.guo@dyfhem.com |
| 巩鹏阁 Pengge Gong | 15689068805 | pengge.gong@dyfhem.com | |
| 地址：湖北省武汉市汉阳区王家湾中央生活区 WangjiawanCentralLivingArea,Hanyang | |||
| Functiona能M膜材料Mateials Specialist | 张栋梁 Dongliang Zhang | 13370687195 | dongliang.zhang@dyfhem.com |
| 地址：山东淄博东岳经济开发区 Dongyue Economic Development Zone,Zibo City, Shandong Province | |||
| 出口公司 Export Company | 刘颖 Ying Liu | 18560369980 | ying.liu@dyfhem.com |
| 王彬 Bill | 13792169821 | bin.wang@dyfhem.com | |
| 于朔 Shuo Yu | 13173276372 | shuo.yu@dyfhem.com | |
| 张一凡 | 17765868130 | yifan.zhang@dyfhem.com | |
| 地址：山东淄博东岳经济开发区 Dongyue Economic Development Zone,Zibo City,Shandong Province | |||
