What kind of valve is the best?

1, Sanhua Holding Group Co., Ltd. (trademark: Sanhua)

Sanhua Holding Group Co., Ltd. was established in 1984, located in Xinchang County, Zhejiang Province, China. Is a large private enterprise integrating scientific research, production, management and service. 20 1 1 At the end of the year, the total assets of the company were 1 24.9 billion, the sales revenue was 8.744 billion yuan, and the total profit and tax exceeded1. The company has successively won many honors and titles such as National Quality Award, China Famous Brand, China Famous Trademark, China Export Famous Brand, China Excellent Enterprise, National Key High-tech Enterprise, National Contract-abiding and Trustworthy Enterprise and National Top 500 Machinery Industry. The company has scientific, technological, economic and management talents 1500, and the total number of employees exceeds 13000. Zhejiang Sanhua, a subsidiary, was successfully listed (002050).

2. Zhuzhou South Valve Co., Ltd. (trademark: South)

Zhuzhou South Valve Co., Ltd. was established in May 1996, and completed the shareholding system reform in February 2003. It is a high-tech enterprise jointly recognized by Hunan Science and Technology Department, Provincial Department of Finance, Provincial State Taxation Bureau and Provincial Local Taxation Bureau.

The company is located in Zhuzhou (national) High-tech Development Zone, covering an area of 242 mu (including Hunan Zhu Hua Machinery Co., Ltd.). Relying on independent innovation, scientific and technological progress and hard struggle, the company has now developed into a medium-sized private enterprise with three wholly-owned subsidiaries and three holding subsidiaries, covering the fields of valves, pumps, casting, pipe industry and so on.

3. Zhejiang Chaoda Valve Co., Ltd. (trademark: Chaoda)

Chaoda was founded in 1984, with a registered capital of136.88 million yuan, a factory building area of 32566m2, more than 480 sets of machine tools and equipment, and 465 employees. 20 1 1 year, the valve output value is 370 million yuan. The company is a national high-tech enterprise, a member of the first-class supply network of high and medium pressure valves of Sinopec, PetroChina and CNOOC, the vice chairman of China Valve Association, a AAA-level enterprise with tax credit in Zhejiang Province and a key enterprise in Wenzhou. "Chaoda" won the title of famous trademark and brand-name product in Zhejiang Province.

The company mainly produces metal hard sealing ball valves, welded ball valves, bellows gate valves, wafer check valves, lifting plug valves, special safety valves, combined three-way valves, oilfield wellhead valves, cryogenic valves and control valves, as well as ball valves, gate valves, check valves, globe valves, butterfly valves and flanges that meet ANSI/API, JIS, DIN, BS, NF and GB standards.

4.CNNC Sufa Technology Industry Co., Ltd. (trademark: CNNC Sufa)

CNNC Sufa Technology Industry Co., Ltd. is a listed company established by Suzhou Valve Factory of nuclear industry with high-quality assets and social funds. Listed companies have inherited the main business of CNNC Suzhou Valve Factory, including brand, goodwill, quality assurance system, technology, manufacturing and customer management. At present, it is the enterprise with the highest annual sales and export volume in the valve industry in China, and it is a high-tech enterprise in Jiangsu Province.

The company's main products are: gate valve, globe valve, check valve, ball valve, butterfly valve, diaphragm valve, plug valve, vacuum valve, heat preservation jacket valve, regulating valve, high temperature and high pressure power station valve, nuclear power valve and clean and environmentally friendly waterway valve. It is the preferred valve supplier for more than 300 large and medium-sized enterprises in China. Foreign customers are located in more than 50 countries and regions.

5. Wesson Fluid Control Co., Ltd. (trademark: Wesson)

With the concept of "technology creates Excellence and brand inspires the future", Wesson shares wholly acquired Bernard (Tianjin) Instrument Technology Co., Ltd.; Invest in the establishment of Wesson Control Technology (Tianjin) Co., Ltd.; Wesson Energy Saving Technology (Tianjin) Co., Ltd.; Wesson Fluid Equipment (Tianjin) Co., Ltd. and Tianjin University jointly set up a research and development center to continuously absorb the advantages of similar international products and develop products more suitable for the domestic market. The technology is at the leading level in the world, and the quality is equivalent to that of imported similar products.

The company pays attention to the independent research and innovation of products, forming a "multi-series, diversified" development pattern. The main products are intelligent electric actuators and electric devices; Regulating instrument valves and industrial valves; Heating metering, energy management and control. Automatic intelligent control system is widely used in electric power, petrochemical, natural gas, metallurgical smelting, paper making, building materials, municipal environmental protection and other industries, which meets the growing demand for automatic control in industrial production.

6. Sichuan Zigong High Pressure Valve Co., Ltd. (trademark: Zigong)

Sichuan Zigong High Pressure Valve Co., Ltd. was established in 1958, and moved to China as a "third-line construction" enterprise. Initially, its main task was to support the military industry. The former key enterprise of the Ministry of Machinery, the leading factory of valve industry in China, the domestic large-scale long-distance pipeline valve production base, the high-tech enterprise in Sichuan Province, the national CAD application demonstration enterprise and the famous brand products in Sichuan Province. The company currently has 1 080 employees, including 285 technicians and professors 1 person who enjoy special allowance from the State Council. Fixed assets of 36.27 million yuan, mainly producing more than 550 sets of equipment, including 54 sets of precision, large and rare equipment. The whole company covers an area of174,000 square meters.

Specializing in the manufacture of "flying ball" series ball valves, butterfly valves, flat valves, gate valves, globe valves, check valves, safety valves, power station valves and other standard and non-standard valves and special valves. It is one of the key industrial enterprises encouraged by the state, one of the 30 key enterprises in the eight key product chains of major technical equipment in Sichuan Province, and one of the key advantageous enterprises in Sichuan Province.

7. Guangdong Mingzhu Group Co., Ltd. (trademark: Mingzhu)

Guangdong Pearl Group Co., Ltd. is a A-share listed company in China. Securities abbreviation: Guangdong Pearl. Stock code: 600382. Registered trademark: Mingzhu brand. Guangdong Mingzhu Group Co., Ltd. is one of the top private enterprises in Guangdong Province 100, and has been rated as an honest demonstration enterprise in Guangdong Province and a civilized unit in Meizhou City for many years. Its holding subsidiaries are Guangdong Mingzhu Pearl Liquor Co., Ltd. and Guangdong Mingzhu Group Guangzhou Valve Co., Ltd. The shareholding companies are Guangdong Dading Mining Co., Ltd., Longjiang Bank Co., Ltd. and Guangdong Mingzhu Group Shenzhen Investment Co., Ltd., forming a new economic pattern of multi-industry and diversified development.

8. China Liangjing Group Valve Co., Ltd. (trademark: Liangjing)

China Liangjing Group Valve Co., Ltd. was established in 1985, and the group was established in 1998. At the end of 2000, it was upgraded to a regional-free group with the approval of the State Administration for Industry and Commerce. In 2002, it successfully acquired Nanjing Shen Lan Pump Group Co., Ltd. After years of development, Liangjing Group has become a diversified group enterprise spanning machinery manufacturing, logistics trade, real estate tourism development and other industries.

China Liangjing Group Valve Co., Ltd. is the core enterprise of Liangjing Group, with a garden-style industrial park covering an area of 40,000 square meters and a construction area of 28,000 square meters. With a registered capital of1500,000 yuan and 776 employees, it is a large valve enterprise integrating valve design, casting, production and sales.

9. Gansu Hongfeng Machinery Co., Ltd. (trademark: Hongfeng)

Gansu Hongfeng Machinery Co., Ltd. is a new enterprise reformed from the former state-owned 92o factory, with strong scientific research and technical force, advanced technical equipment, complete quality inspection means and modern management system. The enterprise, formerly known as the State-owned 92O Factory, was founded in 1965, and belongs to a large-scale second-class enterprise in the weapons industry.

Since 1986, enterprises have inherited and carried forward the fine tradition of military industry, actively devoted themselves to energy conservation and environmental protection at home and abroad, and persisted in independent innovation. At present, we have developed and produced 10 series, 180 models and 1200 specifications of "Hongfeng" brand steam traps, condensate recovery devices, closed recovery devices for spent steam, steam cooling and decompression devices, complete sets of equipment for removing oil and iron from high-temperature condensate, natural gas traps, control valves, steam-water separators, injection valves, etc.

10, Shanghai Lianggong Valve Factory (trademark: Lianggong)

Shanghai Lianggong Valve Factory, founded in 1946, is a key unit of the former Ministry of Machinery to manufacture high and medium pressure valves and a national second-class enterprise. With more than 60 years of design experience, it is a professional manufacturer of valves and valve electric devices. In June, 2004, 1 1, the enterprise completed the shareholding system reform and officially changed its name to "Shanghai Lianggong Valve Factory Co., Ltd.". In June, 2004, the company moved to Yang Hang Industrial Park, Baoshan District, Shanghai, covering an area of more than 50 mu, with a production workshop of 210.2 million square meters and an office space of 3,000 square meters, with a total investment of 654.38 billion yuan.