Qingdao Hiwits Meter Co., Ltd., subordinated to Haina Group, is a high-tech enterprise covering the development and production of Heat Meters supplying solutions problems in heating reconstruction project. As one leading brands HVAC Instrumentation industry, we hold most advanced ...

Supported by 80 subcontractors and backed by 15 years of industry know-how, Guangzhou Jiahe Electronic Co., Ltd. specializes in developing and manufacturing a wide range of electronic security products.

Every year, many accidents occur all over the world because of safety troubles. Injury and wrongful death expectancy in industry working environment is far higher than after-working environment. Since 1990, we kept focusing on people under hazardous environment, from harbor to mining field, ...