There is no best but better, innovative focus on good products!

Recently, the multi-functional manhole cover developed by hengshui yueite company successfully passed the inspection of the national construction engineering quality supervision and inspection center. It passed the requirements of bearing capacity and permanent deformation of the manhole cover D400 in en124:2015 standard, and the limit test reached 50 tons.

Hengshui optimal jet petroleum equipment technology co., LTD, is a collection research and development, production, sales for the integration of high-tech enterprises, the company research and development center was rated as "class B r&d center in hebei province", and has its own test center, test equipment are: 2 t universal testing machine, universal testing machine, 10 ton UV accelerated aging test machine, complete sets of manhole well bearing testing machine, bearing cap machine, muffle furnace, incubator, etc.

Company focus all multifunctional composite manhole covers, all composites manhole operating well, the whole composite drains Bi products such as design and development, to apply for 1 item 4 invention patents, licensing, licensing and utility model patents, authorization, 12 appearance patents, professional r&d team to provide clients with the best quality products and services.