Hubei Chuyijia Building Decoration Engineering Co., Ltd. was founded in 1995 with a registered capital of RMB 5,100,000. It has the national second-level qualification for professional contracting of building decoration and decoration projects, and more than 30 middle and senior professional and technical personnel. Chuyijia is a diversified, comprehensive and modern building decoration enterprise mainly engaged in building decoration design and construction; metal railing production and installation; building curtain wall engineering, metal door and window engineering, steel structure, landscaping, building waterproofing, anti-corrosion, insulation and municipal engineering, civil engineering, garden and ancient buildings, water supply and drainage and HVAC engineering, building intelligence, and mechanical and electrical equipment installation.

Hubei Keister Valve Group Co., Ltd. is a large enterprise integrating valve research, development, production and sales. Keister Valve manufactures gate valves, butterfly valves, stop valves, ball valves, check valves, hydraulic control valves, regulating valves, balancing valves, oilfield valves, needle valves, plunger valves, discharge valves, power station valves, chlorine valves, vacuum valves, insulation valves, filters, sewage valves, etc.

Hubei High Pressure Valve Co., Ltd. is a member of the China Valve Association and also a network member of China National Petroleum Corporation (CNPC), Sinopec, and State Power Corporation. The company has passed the ISO 9000:2000 quality system certification and has obtained 'AZ' and 'API' certificates. The trademark has been recognized as a famous trademark in Hubei Province, and in September 2006, its 'High Pressure Valve' was awarded the title of famous brand product in Hubei Province, making it a well-known manufacturer in China's valve industry.