免费+无码+高潮_免费无码高清一区_欧美大片国产精品美女裸体视频_精品av一区9久_精品av一区10久_成人性爱无码在线视频_日韩三区四区精品视频在线观看_伊人高清国产在线

• ? Welcome to Visit our Booth 13C15 at Chinaplas20252025-01-11
• ? Welcome to Visit our Booth 1.2B18 at Chinaplas20242023-12-18
• ? We were identified as Specialized and Sophisticated SMEs that Produce New and Unique Products2023-01-18
• ? Welcome to Visit our Booth 13A13 at CHINAPLAS20232022-12-08
• ? Our project obtained Excellent Technology Achievements Award of Guangdong Province2020-07-16
• ? Visit us at CHINAPLAS2019 at Booth 9.3S372019-01-26
• ? Visit us at CHINA NEW PLAS 2018 at Booth E2352018-09-15
• ? Our New Project Passed Science and Technology Achievement Appraisal2018-03-12
• ? National Standard for PVC-U profiles for the doors and windows effective from May 1, 20182017-12-01
• ? Visit us at CHINAPLAS2017 at Booth 9.3C752017-05-09
• ? Our products on the List of Encouraged Substitutes to Toxic and Hazardous Raw Materials (Products)2017-01-19
• ? The standard of Solid Ca/Zn Complex Heat Stabilizer for PVC of Guangdong effective on July 15, 20152015-07-16
• ? Visit us at CHINAPLAS2015 at Booth 11.3B612015-05-18
• ? The 238 project awarded the second prize of Science and Technology Award of Duanzhou District2014-07-10
• ? Our company was identified as Guangdong Province Good Standardizing Practice Enterprise2014-03-20
• ? Our company obtained the certification of the Work Safety Standardization Grade 3 Enterprise2013-11-28
• ? Project obtained third prize of Duanzhou District2013-07-03
• ? CZX-238 project passed the appraisal of scientific and technological achievements2013-03-20
• ? Our company was designated to formulate the industry standard of Solid Ca/Zn Complex Heat Stabilizer2012-09-11
• ? “The development of CZX-118 Mg/Al/Zn (Ca/Zn) non-toxic complex stabilizer” obtained the first prize2012-06-28