About us
Industry Standard and Certification
To assure Gravity’s casters and wheels are of the highest quality, we test to the national GB/T 14687-2011 Industrial Casters and Wheels standards, as well as the Restriction of Hazardous Substances(RoHs) standard, and the Registration,Evaluation,Authorization and Restriction of Chemical(REACH)standard set by the European Union. We also continually evaluate all competitive products to make sure our clients receive the best quality products at every price point.
Service Hotline
+86-574-88093775
Add:No. 1 Dingqiao Road,Jiangshan Town, Ningbo, Zhejiang
Fax:+86-574-88093776
E-mail: haian@haiyoucasters.com  
Website: http://www.haiyoucasters.com
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