Chongqing Zhengchuan Pharmaceutical Packaging Co., Ltd. (hereinafter referred to as Zhengchuan) was established in 1988. Focusing on R&D, manufacturing, and sales of pharmaceutical glass packing for over 30 years, it has formed an integrated production operation system with "tube forming– vial forming - cap". It is one of the pharmaceutical glass vial manufacturers with leading technology and top production and sales in China.