Founded in early 1990’s, Tianjin Longtongda mechanical & electrical Co., Ltd, China. We are a group joint venture , now, our compay have three main business, which is the below.

The first business is to make some of evelavtor part,The second , is make passenger elevator –OEM servcie

The third , is make lead acid battery , in elevator, truck, solar power.Ohers, we have some hardware part –making, Aluminum part and casting part , in the mechanicaland automobile industry, and so on.We have one factorty is specializing in manufacturing many kind of elevator parts, plastic rollers, plastic component, rubber parts, some mechanical part, other fittings and assemblies used for elevator, escalator, moving sidewalk. Also, we have another workshop can make electronic parts, push button, switch, car operation panel, and so on. we have another factory of mechanical factory ,

a technology and research centerï¼Œwhich can provide special design and no-standard product, OEM processing for our customers all over the world. We can provide the OEM servcie for mant type of passenger elevator , home elevator, escalator.moreover, my company can provide the engineering services, to install some electric equipment to the building, such as, elevator, escalator ,