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RUIAN Changrong window Regulator Co. Ltd. specializes in Window Regulator, Window Regulator Handle, Door Handle for more than 20 years . We now have more than 50employees , more than 5000 models.Passed ISO 9001!TS16949 Certificated. Happy Tree shock absorber concentrate on manufacture, research, design for OEM and Aftermarket CRW is our brand have a good reputation on the aboard and domestic.
Changrong always insist on quality is the soul of an enterprise.So good quality and reliability is our strong point. We develop over 100 new items every year and also work with customers to open new toolings and develop new product lines.we strive to become the world leading aftermarket door handle provider,and with determination and hard work
