Jixin Gas Spring Co., Ltd.: Sino-Hongkong joint venture, which is a manufacturing base of high-tech gas spring products, located at Langfang ETDZ.

• 中港合资吉信气弹簧制品有限公司是在廊坊经济技术开发区建立的高技术产品即气弹簧制品的生产基地。