Ningbo Zhongcai Plastics is a manufacturer of high density polyethylene (HDPE) fittings and ball valves which are widely used in domestic gas industry with a high market reputation, also exported to Europe, Australia, Middle East, Asia and other countries. We are a fully-fledged ISO certified company with more than 10 years’ experience in manufacturing, with full lines of products, innovative R&D team, Ningbo Zhongcai are keen to be your one-stop factory for HDPE fittings, ball valves and other special requirement.