... ’s price is based on that day oil price, for it is affected by international oil price. Please ask our customer services about ... , REACH, certification from SGS is available. About us Top-Joy International Trading (Shanghai) Co., Ltd. is located in Shanghai Pudong Jinqiao ... and other plastic additive for over 20 years. Top-Joy International has two big production plants, Pudong RunLu Chemical and Nanhui ...