Changzhou Andefu Gas Spring Co., Ltd. is a professional manufacturer in marketing of gas spring, the company was founded in 1996.We mainly produce compression gas spring, lockable gas spring and free type gas spring, which widely used in office chair, bar chair furniture, and tool boxes etc. Currently, we have more than 200 experienced technical staff; we can produce 600000 pieces gas spring per month. At present, our products have passed the United States BIFMA X 5.1 SGS Certificate, Germany TUV DIN 4550 Safety certificate, Quality Management System Certificate (ISO 9001) and so on. With high quality and competitive price, our products fully meet the needs of the customer and have good reputation in our fields. We warmly welcome customer both domestic and overseas to visit our company. We have great interested in developing business with you, and join hands in creating brilliant tomorrow.