En-Door Polymer Additives Co.Ltd, named as “Nanxing” in early period, was founded in 1987. The company is one of the largest manufacturers in China which has specialized in researching, developing and manufacturing of PVC auxiliary, including PVC heat stabilizers, PVC processing aids, PVC impact modifiers and PVC lubricants etc.
En-door has working staff of more than 2500, including two R&D centers of 156 people.It is located at Yichang City near the Three Gorges Dam, within 30 minutes’ drive to Yichang Airport.
Within 20 years’ fast development, we have been awarded many times of the titles such as “the State Scientific & Technical Achievement Award” and “Consumers Satisfying Products”by the government.
History of En-Door
1987.11 – Foundation of Chemical General Factory in Nanxing, Hubei
Technical cooperation with Beijing Research Institute of Chemical Industry for Methyl Tin
1996.12 – Production capacity reached 2000 tons in 1996.
Non-toxic Methyl Tin Mercaptide production license
1998.8–Obtained ISO9001 certificate
Nominated for Superior Technical Company by Hubei Science & Technology Department
2002 – Production capacity of Methyl Tin Mercaptide reaches 5000 tons/year
We started to export our products and established favorable relationships with overseas companies.
2003.9 – Obtained ISO9001:2000 certificate
Designated as the credit Grade “A” corporation by the Bank of China
2004.8 – Purchased the Plastic Auxiliary Factory in Hangzhou, Zhejiang Province
2004.12 – Foundation of Hubei Nanxing Polymer Additives Co., Ltd., with five factories and two research centers.
2010.10 – Renamed the company as En-Door Polymer Additives Co.Ltd.
Pvc heat stabilizer,pvc impact modifier,pvc processing aid,pvc foaming agent,pvc internal lubricant,pvc external lubricant
Contact Person:Ms. Agnes Li
Company Name: En-Door Polymer Additives Co., Ltd.
Street Address: (Rm. 502, Zhonghuan Plaza), No. 18, Xiling First Road
Mobile Phone: 13697275043