SHANGHAI CHENXI PAPER PRODUCTS CO.,LTD.

Shanghai Chenxi Paper Products Co., Ltd. is a professional sticky notes manufacturer, covering area of 40 mu and 300 employees.The factory is located in Shanghai Qingpu industrial park, which is in the traffic center, near to the shanghai airport. With over 10 years sticky notes manufacturing experience, our research and development department has been committed to launch new series to meet the market needs continuously. Our factory has passed audit of ISO9001, ISO14001, FSC,TARGET and Wal-mart. Our slogan is “High Quality, Hign Honest, High Service”.We sincerely welcome partners worldwide to join us! Words record human wisdom, while paper is the tool to inherit it! With the 21th century high efficiency working pattern, and high speed information exchange, we need to mark critical items or write down sudden ideas in a quick way anywhere \& anytime, at the conspicuous and visible place, so the sticky notes has emerged at this right moment. Regardless of the above basic functions, sticky notes has its new function of advertisement, created by the smart enterprises. Some put it interestingly “the dispatched sales lady, who quietly hands out ad pages at the audience table”. According to the US News Week survey, one sheet sticky notes can be seen by at least 3 people, one 100 sheets pad will have an average audience of 300 people. Sticky notes now is non-replaceable by any other advertising vehicle, which has been an essential ad product for company exhibition, promotion and PR activities for its usefulness, timeliness, affinity, economy, convenience, and function of advertise exposure. To learn more, please click

Sticky Notes Normal Series 03-05 Sticky Notes Lined Series 06 PET Index Sticky Notes Series Sticky Notes Set Series 07-10 Die-Cut Sticky Notes Series 11-12 Sticky Notes Cube Series Printing Sticky Notes Series 13 Color Chart 14 Advice on the Specification of Paper 15-16 17 18

Sticky Notes Sticky Notes Normal Series Normal Series Solid color Sticky Notes Normal Assorted color • General information Item NO. Color Size GSM Unit Inner Box Ctn N.W. W.G. Meas. (Sets) (Sets) (Kgs) (Kgs) (cbm) CX13-101 CP01/CP02/CP03/CP04 38x51mm 75 g/m2 100sheets/pad 96 16.7 17.5 0.0379 CX13-102 CP01/CP02/CP03/CP04 51X76mm 75 g/m2 100sheets/pad 1152 CX13-103 CP01/CP02/CP03/CP04 76x76mm 75 g/m2 100sheets/pad 48 16.7 17.5 0.0379 CX13-104 CP01/CP02/CP03/CP04 76x101mm 75 g/m2 100sheets/pad 576 CX13-105 CP01/CP02/CP03/CP04 76x127mm 75 g/m2 100sheets/pad 48 16.7 17.5 0.0379 384 24 16.7 17.5 0.0379 288 24 16.7 17.5 0.0379 192 Sticky Notes Neon Assorted color • General information Item NO. Color Size GSM Unit Inner Box Ctn N.W. W.G. Meas. (Sets) (Sets) (Kgs) (Kgs) (cbm) CX13-106 FCP01/FCP02/FCP03/FCP04/FCP05/FCP06 38x51mm 75 g/m2 100sheets/pad 96 16.7 17.5 0.0379 CX13-107 FCP01/FCP02/FCP03/FCP04/FCP05/FCP06 51X76mm 75 g/m2 100sheets/pad 1152 CX13-108 FCP01/FCP02/FCP03/FCP04/FCP05/FCP06 76x76mm 75 g/m2 100sheets/pad 48 16.7 17.5 0.0379 CX13-109 FCP01/FCP02/FCP03/FCP04/FCP05/FCP06 76x101mm 75 g/m2 100sheets/pad 576 CX13-110 FCP01/FCP02/FCP03/FCP04/FCP05/FCP06 76x127mm 75 g/m2 100sheets/pad 48 16.7 17.5 0.0379 384 24 16.7 17.5 0.0379 288 24 16.7 17.5 0.0379 192 Chenxi Paper 03

Sticky Notes Sticky Notes Normal Series Normal Series Multi-color Color Paper Sticky Notes Normal Assorted color • General information Item NO. Color Size GSM Unit Inner Box Ctn N.W. W.G. Meas. (Sets) (Sets) (Kgs) (Kgs) (cbm) CX13-111 CP01/CP02/CP03/CP04 38x51mm 75 g/m2 100sheets/pad 96 16.7 17.5 0.0379 CX13-112 CP01/CP02/CP03/CP04 51X76mm 75 g/m2 100sheets/pad 1152 CX13-113 CP01/CP02/CP03/CP04 76x76mm 75 g/m2 100sheets/pad 48 16.7 17.5 0.0379 CX13-114 CP01/CP02/CP03/CP04 76x101mm 75 g/m2 100sheets/pad 576 CX13-115 CP01/CP02/CP03/CP04 76x127mm 75 g/m2 100sheets/pad 48 16.7 17.5 0.0379 384 24 16.7 17.5 0.0379 288 24 16.7 17.5 0.0379 192 Fluorescence Color Paper Sticky Notes Neon Assorted color • General information Item NO. Color Size GSM Unit Inner Box Ctn N.W. W.G. Meas. (Sets) (Sets) (Kgs) (Kgs) (cbm) CX13-116 FCP01/FCP02/FCP03/FCP04/FCP05/FCP06 38x51mm 75 g/m2 100sheets/pad 96 16.7 17.5 0.0379 CX13-117 FCP01/FCP02/FCP03/FCP04/FCP05/FCP06 51X76mm 75 g/m2 100sheets/pad 1152 CX13-118 FCP01/FCP02/FCP03/FCP04/FCP05/FCP06 76x76mm 75 g/m2 100sheets/pad 48 16.7 17.5 0.0379 CX13-119 FCP01/FCP02/FCP03/FCP04/FCP05/FCP06 76x101mm 75 g/m2 100sheets/pad 576 CX13-120 FCP01/FCP02/FCP03/FCP04/FCP05/FCP06 76x127mm 75 g/m2 100sheets/pad 48 16.7 17.5 0.0379 384 24 16.7 17.5 0.0379 288 24 16.7 17.5 0.0379 192 Chenxi Paper 04

Sticky Notes Sticky Notes Normal Series Normal Series Paper page marker CX13-121 CX13-122 CX13-123 Color Paper Sticky Notes Normal Assorted color • General information Item NO. Color Size GSM Unit Inner Box Ctn N.W. W.G. Meas. (Sets) (Sets) (Kgs) (Kgs) (cbm) CX13-121 CP01/CP02/CP03/CP04 26x76mm 75 g/m2 100sheets/pad 24 16.6 17.6 0.0245 CX13-122 CP01/CP02/CP03/CP04 19x76mm 75 g/m2 100sheets/pad 384 CX13-123 CP01/CP02/CP03/CP04 15x76mm 75 g/m2 100sheets/pad 24 16.6 17.6 0.0245 384 24 16.6 17.6 0.0245 38 CX13-132 CX13-133 CX13-134 Fluorescence Color Paper Sticky Notes Neon Assorted color • General information Item NO. Color Size GSM Unit Inner Box Ctn N.W. W.G. Meas. (Sets) (Sets) (Kgs) (Kgs) (cbm) CX13-132 FCP01/FCP02/FCP03/FCP04/FCP05/FCP06 26x76mm 75 g/m2 100sheets/pad 24 16.6 17.6 0.0245 CX13-133 FCP01/FCP02/FCP03/FCP04/FCP05/FCP06 19x76mm 75 g/m2 100sheets/pad 384 CX13-134 FCP01/FCP02/FCP03/FCP04/FCP05/FCP06 15x76mm 75 g/m2 100sheets/pad 24 16.6 17.6 0.0245 384 24 16.6 17.6 0.0245 384 Chenxi Paper 05

Sticky Notes Sticky Notes Lined Series Lined Series Item NO. Color Size Unit Inner Box Ctn N.W. W.G. Meas. (Sets) (Sets) (Kgs) (Kgs) (cbm) CX13-201 Pastel yellow 51x76mm 100sheets/pad CX13-202 Pastel yellow 76x76mm 100sheets/pad 24 192 5.6 6.3 0.0172 CX13-203 Pastel yellow 76x101mm 100sheets/pad 24 192 8.3 9.1 0.0206 CX13-204 Pastel yellow 101x101mm 100sheets/pad 24 192 11.1 11.8 0.0228 CX13-205 Pastel yellow 76x127mm 100sheets/pad 24 192 14.7 15.5 0.0444 CX13-206 Pastel yellow 101x152mm 100sheets/pad 24 192 15.1 16.2 0.0351 CX17-207 Neon Pink 76x76mm 100sheets/pad 24 192 22.1 22.7 0.0592 CX17-208 Neon Blue 76x76mm 100sheets/pad 24 192 8.3 9.1 0.0206 CX17-209 Neon Yellow 76x76mm 100sheets/pad 24 192 8.3 9.1 0.0206 CX17-210 Neon Green 76x76mm 100sheets/pad 24 192 8.3 9.1 0.0206 CX17-211 Purple 76x76mm 100sheets/pad 24 192 8.3 9.1 0.0206 CX17-212 Neon Rose 76x76mm 100sheets/pad 24 192 8.3 9.1 0.0206 CX17-213 Neon Orange 76x76mm 100sheets/pad 24 192 8.3 9.1 0.0206 24 192 8.3 9.1 0.0206 Chenxi Paper 06

PET Index Sticky Notes Series PET Index Sticky Notes Series CX13-301 CX13-302 CX13-303 CX13-304 CX13-306 CX13-308 CX17-366 CX13-309 CX13-310 CX13-315 CX13-311 CX13-312 CX13-300 CX17-363 Fluorescence PET Sticky Notes Neon Assorted color • General information Item NO. Color Size Thinkness Unit Inner Box Ctn N.W. W.G. Meas. (Sets) (Sets) (Kgs) (Kgs) (cbm) CX13-301~304 CX13-315 Assorted color 12x45mm 0.05mm 25sheets/pad 96 7.8 8.5 0.0266 CX13-308~310 CX17-366 Assorted color 25x45mm 0.05mm 25sheets/pad 1152 CX13-306 Assorted color 25x38mm 0.05mm 30sheets/pad 96 7.8 8.5 0.0266 Assorted color 6x45mm 0.05mm 20sheets/pad 1152 CX13-300 Assorted color 10x45mm 0.05mm 25sheets/pad 96 7.8 8.5 0.0266 Assorted color 22x45mm 0.05mm 25sheets/pad 1152 CX13-311 96 7.8 8.5 0.0266 1152 CX13-312 96 7.8 8.5 0.0266 CX17-363 1152 96 7.8 8.5 0.0266 1152 Chenxi Paper 07

PET Index Sticky Notes Series PET Index Sticky Notes Series CX13-327 CX13-328 CX13-333 CX13-334 CX13-315 CX13-316 CX13-317 CX13-318 CX13-319 CX13-320 CX13-329 CX13-330 CX13-331 CX13-321 CX13-322 CX13-323 CX13-324 CX13-325 CX13-326 CX13-332 CX13-335 Fluorescence PET Sticky Notes Neon Assorted color • General information Item NO. Color Size Thinkness Unit Inner Box Ctn N.W. W.G. Meas. (Sets) (Sets) (Kgs) (Kgs) (cbm) CX13-315 Assorted color 25x58mm 0.05mm 25sheets/pad 48 9.3 10.1 0.012 CX13-316 Assorted color 22x45mm 0.05mm 25sheets/pad 48 576 9.3 10.1 0.012 CX13-317 Assorted color 20x50mm 0.05mm 25sheets/pad 48 576 9.3 10.1 0.012 CX13-318~319 Assorted color 30x50mm 0.05mm 25sheets/pad 48 576 9.3 10.1 0.012 CX13-320 Assorted color 45x45mm 0.05mm 25sheets/pad 48 576 9.3 10.1 0.012 CX13-321~331 Assorted color 12x45mm 0.05mm 10sheets/pad 48 576 9.3 10.1 0.012 CX13-332 Assorted color 12x45mm 0.05mm 25sheets/pad 48 576 9.3 10.1 0.012 CX13-333~335 Assorted color 25x45mm 0.05mm 25sheets/pad 48 576 9.3 10.1 0.012 12x45mm 576 38x51mm Chenxi Paper 08

PET Index Sticky PET Index Notes Series Sticky Notes Series PET Index Series with its durable material and writable surface has been very popular in financial fields, which gives great help to us in many ways: CX13-336 CX13-337 CX13-338 CX13-339 CX13-340 CX13-341 Perfect to organize notebook or file pages into sections by color Item NO. CX13-336~341 Writable to mark comments or Color Assorted color summary during reading or auditing Size 60x60mm Highlight important information nicely Thinkness 0.05mm Unit 25 sheets/pad Packing 48/576 N.W(Kgs) 12.2 W.G(Kgs) 13 Meas.(cbm) 0.0314 Draw attention to critical items. Chenxi Paper 09

PET Index Sticky Notes Series PET Index Sticky Notes Series CX13-354 CX13-355 CX13-356 CX13-343 CX13-344 CX13-345 CX13-346 CX13-347 CX13-348 CX13-349 CX13-350 CX13-351 CX13-352 CX13-353 CX13-358 CX13-359 CX13-360 CX13-361 CX13-362 CX17-363 CX13-357 Fluorescence PET Sticky Notes Neon Assorted color • General information Item NO. Color Size Thinkness Unit Inner Box Ctn N.W. W.G. Meas. (Sets) (Sets) (Kgs) (Kgs) (cbm) CX13-343~346 Assorted color 25x45mm 0.05mm 25sheets/pad 48 3.6 4.5 0.03 CX13-347~353 Assorted color 12x45mm 0.05mm 25sheets/pad 48 288 5.1 5.9 0.035 CX13-354 Assorted color 12x45mm 0.05mm 25sheets/pad 48 288 6.8 7.5 0.0242 CX13-355 Assorted color 25x45mm 0.05mm 25sheets/pad 48 576 6.8 7.5 0.0242 CX13-356 Assorted color 30x45mm 0.05mm 25sheets/pad 48 576 6.8 7.5 0.0242 CX13-357/17-363 Assorted color 25x45mm 0.05mm 25sheets/pad 48 576 3.6 4.5 0.03 CX13-358~362 Assorted color 72x72mm 0.05mm 100sheets/pad 12 288 2.4 3.4 0.012 96 Chenxi Paper 10

Sticky Notes Set Series Sticky Notes Set Series CX17-423 CX17-425 CX17-426 CX17-407 CX17-405 CX17-422 CX17-428 CX17-427 CX14-408 CX17-406 CX17-424 CX14-401 CX17-429 CX17-430 Chenxi Paper 11

Sticky Notes Set Series Sticky notes set Sticky Notes Set Series Neon Assorted color • General information Item NO. Color Black Card GSM Unit Inner Box Ctn N.W. W.G. Meas. (Kgs) (Kgs) (cbm) (Sets) (Sets) 18.5 19.1 0.0653 CX14-401 Assorted color 92x270.5mm 76x76mm 25sheets/pad 24 384 CX17-429 Assorted color 38x51mm 25x76mm CX14-405 12x45mm 92x270mm 72x72mm 25sheets/pad 24 384 10.7 11.4 0.0653 CX14-406 Assorted color 92x270.5mm 76x76mm 25sheets/pad 24 384 18.5 19.1 0.0653 38x51mm CX14-407 Assorted color 191x261mm 25x76mm 25sheets/pad 24 144 13.5 14.7 0.0422 122x197mm 12x45mm 25sheets/pad 24 384 11.1 11.7 0.0653 CX14-408 Assorted color 95x200mm 25sheets/pad 24 384 18.5 19.2 0.065 CX17-422 Assorted color 95X170mm 51x75mm 25sheets/pad 24 192 5.1 5.6 0.021 CX17-423 Assorted color 95x267mm 75x75mm 25sheets/pad 24 192 8.1 8.6 0.032 CX17-424 Assorted color 145x250mm 25x75mm 25sheets/pad 24 192 125x75mm 11.3 11.9 0.044 CX17-425 Assorted color 192x262mm 38x51mm x2 pad 25sheets/pad 24 192 192x262mm 12x45mm x5 pad 25sheets/pad 24 192 CX17-426 Assorted color 95x24mm 51x51mm 25sheets/pad 24 192 16.6 17.4 0.069 200x155mm 25x75mm 25sheets/pad 24 144 CX17-427 Assorted color 12x45mm 13.8 14.5 0.069 8.5 9.2 0.031 CX17-428 Assorted color 51x38mm 9.8 10.5 0.022 CX17-430 Assorted color 75x25mm 45x12mm 51x24mm 44x12mm 48x48mm 75x75mm 51x38mm 50x20mm 75x25mm 45x12mm 71x71mm 75x75mm 51x38mm 45x12mm 45x45mm 45x45mm 75x75mm 75x51mm 51x38mm 75x125mm 45x12mm 75x75mm 51x38mm 51x51mm 75x51mm 45x12mm 73x73mm 75x75mm 75x19mm 42x42mm 95x152mm Chenxi Paper 12

Die-Cut Sticky Notes Series CX13-501 CX13-502 CX13-503 CX13-504 CX13-505 CX13-506 CX13-507 CX13-508 Die-Cut Sticky Notes Series CX13-509 CX13-510 CX13-511 CX13-512 CX13-513 CX13-514 CX13-515 CX13-516 CX13-517 CX13-518 CX13-519 CX13-520 CX13-521 CX13-522 CX13-523 CX13-524 CX13-525 CX13-526 CX13-805 CX13-527 CX13-528 CX13-529 Die Cut Stick Notes CX13-806 Neon Assorted color • General information Item NO. Color Size GSM Unit Inner Box Ctn N.W. W.G. Meas. (Sets) (Sets) (Kgs) (Kgs) (cbm) CX13-501~521 FCP01/FCP02/FCP03/FCP04/FCP05/FCP06 (70±6)x(70±6)mm 75 g/m2 140sheets/pad 48 15.6 16.4 0.03 CX13-522~529 FCP01/FCP02/FCP03/FCP04/FCP05/FCP06 140sheets/pad 288 CX13-805 FCP01/FCP02/FCP03/FCP04/FCP05/FCP06 45x45mm 75 g/m2 100sheets/pad 48 12.2 13 0.02 CX13-806 FCP01/FCP02/FCP03/FCP04/FCP05/FCP06 80sheets/pad 576 130x180x190mm 75 g/m2 100 6.3 7.1 0.0706 6 135x105x120mm 75 g/m2 50 3.2 3.9 0.0228 6 Chenxi Paper 13

Sticky Notes Cube Series CX17-710 CX17-711 CX17-712 CX17-713 Sticky Notes Cube Series CX17-714 CX17-715 CX17-716 CX17-717 Sticky Notes Cube Series Neon Assorted color • General information Item NO. Color Size GSM Unit Inner Box Ctn N.W. W.G. Meas. (Sets) (Sets) (Kgs) (Kgs) (cbm) CX17-710 Assorted color 75x75mm 75g/ 300sheets/pad 8 9.1 9.7 0.021 CX17-711 Assorted color 75x75mm 75g/ 300sheets/pad 8 72 9.1 9.7 0.021 CX17-712 Assorted color 75x75mm 75g/ 300sheets/pad 8 72 9.1 9.7 0.021 CX17-713 Assorted color 75x75mm 75g/ 300sheets/pad 8 72 9.1 9.7 0.021 CX17-714 Assorted color 75x75mm 75g/ 300sheets/pad 8 72 9.1 9.7 0.021 CX17-715 Assorted color 75x75mm 75g/ 450sheets/pad 8 72 13.7 14.5 0.028 CX17-716 Assorted color 75x75mm 75g/ 450sheets/pad 8 72 13.7 14.5 0.028 CX17-717 Assorted color 75x75mm 75g/ 500sheets/pad 8 72 15.4 16.2 0.031 72 Chenxi Paper 14

Printing Sticky Notes Series CX17-601 CX17-602 CX17-603 CX17-604 CX17-605 Printing Sticky CX17-606 CX17-607 CX17-608 CX17-609 CX17-610 Notes Series Printing Sticky Notes Series • General information Item NO. Color Size GSM Unit Inner Box Ctn N.W. W.G. Meas. (Sets) (Sets) (Kgs) (Kgs) (cbm) CX17-601 CMYK 21x15.5CM 80g/ 20sheets/pad 25 5.7 6.1 0.021 CX17-602 CMYK 21x15.5CM 80g/ 20sheets/pad 25 100 5.7 6.1 0.021 CX17-603 CMYK 21x15.5CM 80g/ 20sheets/pad 25 100 5.7 6.1 0.021 CX17-604 CMYK 21x15.5CM 80g/ 20sheets/pad 25 100 5.7 6.1 0.021 CX17-605 CMYK 21x15.5CM 80g/ 20sheets/pad 25 100 5.7 6.1 0.021 CX17-606 CMYK 15x27.5CM 80g/ 20sheets/pad 24 100 8.5 9.1 0.023 CX17-607 CMYK 15x27.5CM 80g/ 20sheets/pad 24 144 8.5 9.1 0.023 CX17-608 CMYK 15x27.5CM 80g/ 20sheets/pad 24 144 8.5 9.1 0.023 CX17-609 CMYK 15x27.5CM 80g/ 20sheets/pad 24 144 8.5 9.1 0.023 CX17-610 CMYK 15x27.5CM 80g/ 20sheets/pad 24 144 8.5 9.1 0.023 144 Chenxi Paper 15

Printing Sticky Notes Series CX17-611 CX17-612 CX17-613 CX17-614 CX17-615 CX17-616 CX17-617 CX17-618 CX17-619 CX17-620 CX17-621 CX17-622 Printing Sticky Notes Series • General information Printing Sticky Notes Series Item NO. Color Size GSM Unit Inner Box Ctn N.W. W.G. Meas. (Sets) (Sets) (Kgs) (Kgs) (cbm) CX17-611 CMYK 20.5x10CM 80g/ 20sheets/pad 24 3.3 3.8 0.014 CX17-612 CMYK 20.5x10CM 80g/ 20sheets/pad 24 144 3.3 3.8 0.014 CX17-613 CMYK 20.5x10CM 80g/ 20sheets/pad 24 144 3.3 3.8 0.014 CX17-614 CMYK 20.5x10CM 80g/ 20sheets/pad 24 144 3.3 3.8 0.014 CX17-615 CMYK 18x6CM 80g/ 40sheets/pad 24 144 8.8 9.3 0.021 CX17-616 CMYK 18x6CM 80g/ 40sheets/pad 24 144 8.8 9.3 0.021 CX17-617 CMYK 18x6CM 80g/ 40sheets/pad 24 144 8.8 9.3 0.021 CX17-618 CMYK 18x6CM 80g/ 40sheets/pad 24 144 8.8 9.3 0.021 CX17-619 CMYK 18.8x9.8x3CM 80g/ 100sheets/pad 12 144 9.1 9.8 0.038 CX17-620 CMYK 18.8x9.8x3CM 80g/ 100sheets/pad 12 48 9.1 9.8 0.038 CX17-621 CMYK 18.8x9.8x3CM 80g/ 100sheets/pad 12 48 9.1 9.8 0.038 CX17-622 CMYK 18.8x9.8x3CM 80g/ 100sheets/pad 12 48 9.1 9.8 0.038 48 Chenxi Paper 16

13 14 15 16 17 Color Chart Sample Display 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 Chenxi Paper 17 Color Chart

Advice on the specification of paper Normal size for your reference, Customized size are accepted 3”x2”(76x51mm) 3”x1”(76x25mm) 76x14mm 45x12mm 45x25mm 51x7.5mm 51x15mm 3”x4”(76x101mm) 1.5”x2”(38x51mm) 3”x3”(76x76mm) 2”x2”(51x51mm) Printing on the adhesive area Printing ink might adhere slightiy to previous sheet if printing on the adhsive area. To avoid this situation, we suggest not to print on the adhesive area. Pastel paper colors Printing be reminded that the printing color could be different to the design color due to the influence of paper color Neon paper colors 1.Note pads: Please leave at least 3 mm blank as tolerance. (Chart A) 2.Die-cut, no printing: Please extend 3mm beyond cut lines. 3.Die-cut, printing and bleeds: Please extend 4mm beyond cut lines. 4.The cutting angle must be curved, when your die-cut angle is less than 90 degrees.

www.chenxipaper.com 上海晨希纸制品有限公司 晨希纸制品(桐庐)有限公司 SHANGHAI CHENXI PAPER PRODUCTS CO.,LTD. CHENXI PAPER PRODUCTS (TONG LU) CO.,LTD. Xin Yuan Road 888,Qingpu District Shanghai ,China Gaojia Road 289,Qingshan Industrial Park, Tonglu, Hanzhou,China TEL: +86-21-5986 9016 +86-21-6921 7959 TEL: +86-571-58506272 FAX: +86-21-6921 7978 Modile: 137 6430 5037 E-mail: chenxipaper@vip.163.com