We are a trade company which cooperate with Hangzhou Jintian Chemical Co., Ltd. and Hangzhou Linyin Sealants company in Hangzhou China, Hangzhou Jintian Chemical Co., Ltd is a producer which specializing in producing DL-tartaric acid and APT product and ETC. Hangzhou Linyin is a producer which produces high quality hot-melt sealants for IG glass and car. we supply the product to all customers at the goo price same as the plants.