In terms of testing, high-precision equipment such as Swiss ARL spectrometer, German Zeiss metallographic microscope, and American New Sansi electro-hydraulic servo testing machine are used to ensure product quality. Tianhe brand Ma steel pipe fittings, relying on such advanced production technology and strict quality control system, have shown excellent durability and corrosion resistance, and are widely used in various construction and pipeline connection projects. Lulin brand groove fittings are produced by Weifang Lulin Machinery Equipment Co., Ltd., located in the world-renowned kite capital of Weifang, Shandong. The company has a superior environment and convenient transportation, covering an area of 30000 square meters with a factory area of over 20000 square meters. It has 85 professional technical personnel and 9 engineers. For over a decade, we have been dedicated to the manufacturing of cast iron and drainage pipe fittings. The groove fittings are provided with complete technical support by CNN, an American groove type pipeline connection system company. Based on the actual situation in China, a vacuum lost foam casting process equipment combining advanced casting processes of vacuum casting and lost foam casting has been developed and produced using internal and external connections. The material is ductile iron QT450-12. With precise design, excellent materials, and convenient installation characteristics, Lulin brand groove fittings have become the preferred products for many fire protection, water supply and drainage projects.

In addition to its main pipe fittings products, Weifang Chen'en Materials Co. Ltd. also covers a wide range of fire-fighting equipment, including fire extinguishers, hoses, fire hydrants, sprinklers, fire valves, pipeline lifting rings, etc. Fire extinguishers have efficient fire extinguishing performance, can quickly respond to fire accidents, and provide strong guarantees for the safety of life and property; The water hose is made of high-strength materials, which are pressure resistant, wear-resistant, and have stable water transport performance, ensuring timely transportation of water sources during firefighting operations; The design of fire hydrants is scientifically reasonable, with rapid and stable water flow, and is a key facility in urban fire protection systems; The sprinkler system has sensitive sensing and rapid water spraying function, which can timely control the spread of fire in the early stage of the fire.
 
Weifang Chen'en Materials Co. Ltd. always puts product quality and customer service first. In terms of product quality control, we strictly screen cooperative suppliers to ensure that the products sold meet relevant domestic and international standards. In terms of customer service, a professional sales and after-sales team has been established. The sales team can provide accurate product recommendations and solutions based on the actual needs of customers; The after-sales team is always on standby to provide customers with timely and thoughtful technical support and maintenance services. The company is committed to providing high-quality and reliable fire protection and pipe fittings products and services to global customers, continuously expanding its business scope, and winning a good reputation and reputation in domestic and international markets.
 
In the future, Weifang Chen'en Materials Co. Ltd. will continue to integrate the advantageous resources of the two cooperative enterprises, continuously innovate and develop in the fields of fire protection and pipe fittings foreign trade, and contribute more strength to the progress and development of the industry.