Changzhou Chengfeng Flow Meter Co., Ltd., formerly known as Changzhou Qinfeng Flow Meter Co., Ltd., was founded in 1979 and renamed Changzhou Chengfeng Flow Meter Co., Ltd. in 2001. It has been in use ever since and is a professional manufacturer of automated flow meters and liquid level meters that integrates research and development, design, manufacturing, sales, and engineering services. With a strong foundation in non-standard special production and exceptional non-standard manufacturing capabilities, our annual production and sales are far ahead in China, firmly occupying 1/5 of the market share for flow meters. The third-generation metal tube float flowmeter developed and produced independently by introducing advanced foreign computing software has won five advanced technology patents, reaching the international level of similar products. The Qinfeng/Chengfeng brand flow meters have been recognized by a wide range of users for over 40 years, thanks to their comprehensive after-sales service and excellent product quality. The main products of Changzhou Chengfeng Flow Meter Co., Ltd. include: LZB/LZJ (- F) Chengfeng Glass Tube Float Flow Meter, LZB-W (B) Chengfeng Micro Glass Rotor Flow Meter, G.R.F10/G.R.F20 Glass Tube Rotor Flow Meter, LZZ/LZD (- F) Chengfeng Metal Tube Float Flow Meter, Chengfeng Organic Panel Flow Meter, UHC Series Chengfeng Magnetic Flip Plate Level Gauge (Magnetic Float Level Gauge), LUGB/LUCB Chengfeng Vortex Street Flow Transmitter, LDG Series Chengfeng Electromagnetic Flow Meter, LWGY/LWY Chengfeng Turbine Flow Meter, WSS Series Chengfeng Bimetallic Temperature Gauge, and more than 500 specifications in eight series. After three expansions and relocations, the company now occupies an area of 25000 square meters and has a building area of 30000 square meters. Various processing equipment is complete, including ordinary lathes, precision CNC lathes, universal milling machines, drilling machines, grinders, argon arc welding machines, etc., fully meeting the needs of various production processes; Complete measuring and testing equipment, all products are calibrated and tested on water flow and air flow detection equipment, among which the 5000 liter bell jar is currently one of the largest air flow detection equipment in domestic enterprises; The company has more than 130 employees, including 45 technical personnel, with the ability to independently develop and manufacture new products. The company is a member unit of Sinopec's resource market. The company's products are produced and sold in more than 20 provinces, municipalities, and autonomous regions across the country, and are also exported as supporting products. They are widely used in industries such as machinery, metallurgy, electronics, petroleum, power, and chemical engineering. We will continue to develop our technological advantages, summarize the experience of more than 40 years of production practice, strive to develop various products, and form a large-scale, systematic, and diversified production pattern. In 1997, it was rated as a "metrological qualification confirmation unit" by the Changzhou Technical Supervision Bureau. In 1999, it was awarded the title of "99 Recommended Product for Quality Inspection of Measuring Instruments". In 2003, it passed the ISO9001:2000 quality system certification. In 2007, it was rated as a high-tech enterprise in Jiangsu Province! After more than 40 years of innovation and development, the company's production capacity and product quality have continuously improved. In the past two years, the company's sales have shown sustained growth, with an annual sales volume of over 80000 sets and an average annual output value increase of over 20%. The products are sold well in more than 20 provinces, municipalities, and autonomous regions across the country, and are also exported as supporting products. They are widely used in industries such as machinery, metallurgy, electronics, and chemical engineering. We will continue to develop our technological advantages, summarize the experience of 40 years of production practice, and strive to develop various flow measurement products, forming a large-scale, systematic, and diversified production pattern. Adhere to the factory management policy of "quality first, customer first", implement the requirements of GB/T19001-2000 quality management system, ensure long-term stability and continuous improvement of product quality, and provide users with high-quality products and perfect services.