Yantai Huawei Rubber Technology Co., Ltd. (abbreviated as: Huawei Rubber or Huawei Company) Huawei Company: Huawei Gas Shield Equipment Guizhou Branch (abbreviated as: Huawei Gas Shield) is based on the China Nuclear Industry Bureau. A new type of high-tech enterprise focusing on the research and development, production and sales of engineering rubber and composite materials such as water conservancy, highways, railways, ports, mines, nuclear power, and military products. The company's main products: Pneumatic shield gate (hereinafter referred to as gas shield dam) and its accessories, rubber dam and its accessories, gas shield dam and rubber dam filling and discharging and automatic control system, rubber bearing for highway and railway, bridge core membrane, bridge expansion device, rubber fender, large filter belt, steel wire conveyor belt, composite components, etc. The products are sold all over the country and exported to Europe, America, Southeast Asia and other countries with an annual output value of over 100 million.