Changzhou Longxiang Gas Spring Co., Ltd. supplies a full range of high quality compression gas springs, locking gas springs, stainless steel gas springs, dampers and tension gas springs. We are an ISO9001 certified company, having certificate approved by SGS.

Foshan Nanhai Jiuli Precision Gas & Lliquid Hardware Factory is a specialized production after the constructive energy spring series product enterprise. The enterprise objective take honestly as the letter, by actually this, with the scientific management best benefit, moves towards the world by the high quality product.

Jinan Heavy Duty Truck Chuangye Co., Ltd is specialized in managing heavy duty truck and part. In 2005, Jinan Heavy Duty Truck Chuangye Co., Ltd passed International Quality Certification System of ISO9001:2000. Sale nets have covered all the provinces, cities, and autonomous regions in China. Welcome all customers from different regions to cooperate with us, and let us make common development and create a “win-win” result.

Jiangyin Strseal Science & Technology group has a high-end seal technique research center that is led by the expert in astronautics packing material research and design and that is composed by the experts in the macromolecule material research and the machine design research. Strseal has passed ISO9001: 2,000 international quality control system authentication and SGS prestige authentication, and will pass the ISO/TS16949 authentication. Strseal abides by "People First, Scientific Management; Quality First, Customer Highest; Sincerity and Innovations, high-efficient & remarkable "service aim and the enterprising culture of family, school and army. And Strseal resolves to provide the superior performance products and the prompt and quick service for customers.

Ningbo Economic & Technical Development Zone Yili Damper Co., Ltd. specializes in the research, development and production of gas springs, oil cylinders for fitness facilities, and rollers for electrical treadmills. Our company has gained the ISO9001 certificate.

Ningbo Jiangdong Precision Hydraulic Air Power Co., Ltd. is engaged in the professional manufacturer of Damper, air cylinder, oil cylinder, and hydraulic station. The company has many years' production experience and strong technical power. The company is capable of designing, manufacturing and technical inquiry of all kinds of air system and hydraulic system as per different customer requirement.

Zhengzhou Kingstonse Autoparts Co., Ltd. is a professional company specialized in automotive parts trade and research & development. Its main business includes the sales and marketing of automobile shock absorbers and Steering dampers, design and sales of air suspension systems. The company passed ISO9001-2000 Certification of Quality Management System in 2003. The company is already appointed as one of the loat KONI agents in China Mainland by KONI Company which is regarded as the top class Damper maker worldwide.