•  The design, manufacture ， installation and relative service of duct, diffuser ， volume control damper, silencer, filter, fire damper for environment air-conditional project.

•  The maintenance and cleanness service for environment air-conditional system.

•  The installation of motor vehicle exhaust emission system.

•  Imports and exports trade.

•  Product agency.
  Acting for all products from Beijing Keeven Air-conditioning Co., Ltd. including modular air handling unit, air curtain, cabinet air handling unit, fan-coil unit and so on. Taking charge of marketing job in Guangdong, Guangxi area.
  Acting for various of Actuators from Jiaxing Tangtech Co., Ltd. Taking charge of marketing job in Shenzhen, Huizhou areas.