R&D team in Costar has sat a comprehensive system to monitor and improve the quality of our products upon ISO 9001:2015 process. The product performance is constantly improved by various analyses and tests to meet the requirement and satisfy all customers. Costar guarantees the best quality shown on our products and service.
Professional Quality Test & Measure
Costar’s R & D team precisely and strictly takes a control on product quality for all clients through a variety of instrumentation and data analysis to guarantee a meeting of international standards, such as ISO, DNV, etc., also is able to provide a complete and professional testing report.
Surface roughness Test
The surface roughness of steel pipe for hydraulic cylinder use is a major indicator to its quality, and has an extreme effect on its stroke work and life. Costar has a comprehensive system and professional equipments to monitor and improve tubes’ quality in the first place for customers.