Top-joy International Trading (Shanghai) Co., Ltd. locates in Shanghai Jinqiao Export Processing Trade Zone, under which there are two main plants in Pudong and Nanhui. Pudong plant was established in 1993, which covers an area of more than 12,000 square meters, whose main production is liquid PVC compound stabilizer. Nanhui plant was established in 2003, which covers an area of 10,000 square meters and the main productions are powder PVC heat stabilizer and other additives. With several-year-production experience, two major production bases have developed a series of high technological, pow