Nanjing Chengkuan Trade Co., Ltd. was founded at .... sale the beta nucleating agents for polypropylenes ( PP-R, PP-B and PP-H) , which increase the beta crystalline form content in PP markedly and....
Zhongyin Colorful Packing Co., Ltd is the branch company of Zhongyin Colorful Holdings Limited in Hongkong .We are the manufacturer of clear PP, PVC, PET folding packaging products, clear shoe boxes ....