Hebei Longxin Composite Material Co., Ltd. Tel: (182-3180-3398) WeChat ID: Same as phone. Located in the Ji County High-tech Industrial Development Zone, Hengshui City, with a registered capital of 51.8 million yuan, we are a professional manufacturer of cable trays. Our main products include high polymer composite cable trays, composite epoxy resin cable trays, fiberglass cable trays, polyurethane cable trays, SMC railway cable grooves, steel cable trays, and matching supports.