With more than 30 years of casting history, Wenzhou Longzhu Industrial Co., Ltd. has a large number of experienced casting engineers and technicians. We can produce castings of various sizes, shapes and materials according to the drawings provided by customers, especially in the field of valve castings. Cooperate with Fortune 500 companies for many years.
GS-C251.0619,WCB.WCC,LCB,LCC,LC3,4C,4D,WC6,C5,C12, C12A,CA15，CF3,CF8(-196’C),CF3M,CF8M,CF8C,CD4MCu,CK3MC uN,ZG200-400,ZG230-450,ZG270-500,2G40Cr1,ZG20CrM0.2G15C r1Mo1V,ZG35Cr1MO.ZG16CrMOG(1Cr5Mo),ZG1Cr13,ZGOCr18Ni9 Ti.5A.KmTB Cr26.4A
Resin sand casting, etc.
Sales manager： Mrs.peng E-mail: email@example.com
Tel： 0086-0577-86621768 Fax： 0086-0577-86621935
Address ： No.19 Longyong Road.Xiongxin Village. Longwan,Wenzhou,Zhejiang,China
The regulating valve is suitable for air, water, steam, various corrosive media, mud, oil and other media. English name: control valve, the number is usually the beginning of FV. Commonly used classification of regulating valves: pneumatic regulating valve, electric regulating valve, hydraulic regulating valve, self-operated regulating valve.
Wenzhou Longzhuindustry Valve Co., Ltd. (Longzhu) is located in Wenzhou Xiongxin Industrial Zone, next to Yaoxi Scenic Zone in the south, 5km away from Wenzhou Airport, 12km away from Wenzhou Railway Station and 3km away from Wenzhou Longwan Wan-ton Wharf, enjoying beautiful sceneries and convenient transportation. Founded in 1986, Longzhu has gone through thirty years of winds and rains and developed into one of Wenzhou's largest professional casting enterprises integrating the R&D, casting, machining and marketing of valve castings and machine parts. Moreover, the company has been awarded "Model Integrity Enterprise", "Honest Private Business", "Zhejiang AAA-grade Credit Enterprise", and "Enterprise with Harmonious Labor Relation in Longwan District", Wenzhou Well-known Trademark and Zhejiang Well-known Trade Name. Moreover, the company was rated as National High-tech Enterprise in 2015.
Major products of Longzhu are valve castings and supporting mechanical castings. Annually, Longzhu can produce more than 4,000 tons of steel castings and over 1,000 tons of iron castings. Steel types Longzhu uses contain carbon steel, middle-low alloy steel, duplex stainless steel ASTM A995 4A/5A/6A, ASTM A351 CK3MCuN and ultralow temperature steel types with special uses; while cast irons cover alloy cast iron, high-chromium iron, etc.
All the time, Longzhu adheres to a quality policy of "Treating People with Sincerity, Seeking for Prosperity with Quality" and a principle of "Reputation First, Quality First", sets up an industry-leading modern quality inspection and test center, and tests outgoing products strictly with direct-reading spectrometer, fluorescent magnetic particle inspection, all-digital ultrasonic fault detectors, screen display hydraulic pressure universal testers, radiographic testing machine, coordinate Measuring Machine, molten steel thermocouple thermometer and other inspection devices. So far, Longzhu has obtained the CE certification of the EU and the ISO9001 Quality Management System certification relying on its reliable product quality.