we are the manufacturer of rubber antioxidant , rubber accelerator , high temperature stable insoluble sulfur IS-HS series and insoluble sulfur IS series, methyl sillion oil and so on. The company has variety of products and the stable quality of products, which has low proce and hasve been approved by the well-known domestic and external tire companies. Our company named Qingdao Zhongjian Rubber Chemicals Co, .Ltd. which is a chemical company specializing in producing products of rubber ***** company is located in the beautiful city---QINGDAO CITY. CHINA Rubber antioxidant Rubber accelerator Other products 4020(6PPD) CZ(CBS) Antiscorching CTP(PVI) 4010(IPPD) NOBS(MBS) KN-201#Methyl silicon oil DTPD(3100) D(DPG) Insoluble sulphur-IS series A DM(MBTS) Insoluble sulphur IS-HS series RD(TMQ) If you are interested in our products, please contact me Best regards Zhangpeng tel:0086 532 85889046 fax:0086 532 85887390 ***** *****