GSTS He Cai Giant Trade (Shanghai) Co., Ltd. is a registered import/export company specializing in manufacture and marketing of oil-seals. We have our own brand and we are an appointed sale agency of DICHTA oil-sealproducts in China. Strictly following our policies of contract-observation and sincere service, we have been in China oil-seal market for 15 years,in this period we acquire precious know-how in the techn..