... RoHS, REACH, certification from SGS is available. About us Top-Joy International Trading (Shanghai) Co., Ltd. is located in Shanghai Pudong ... Stabilizer and other plastic additive for over 20 years. Top-Joy International has two big production plants, Pudong RunLu Chemical and ... green non-toxic stabilizers. We created our own brand – TOP JOY and developed a series of PVC stabilizer with high technology ...