Zhengzhou Double Vigour Chemical Product Co., Ltd. is is established in 2007 ,located in Zhengzhou,the province of Henan.We devote to the rubber chemicals'research,produce and marketing.The company has been expanding quickly in rubber chemicals through the spirit of professional service and steady high quality,especially for rubber acceleratorMBT,which is produced by the enclosed new clean technology , locates top reformer of rubber chemical industry in skill and output. Annual output of rubber ...