Our steel & iron foundry had passed ISO9001:2008 (UKAS) and obtained Norwegian DNV material certification in May 2009.
We produce about 8000 tons of castings (spheroidal graphite cast iron, gray cast iron, vermicular graphite cast iron) to customers all over the globe annually.
Our main ferrous casting products include: Domestic valves (GB Standards), foreign valves (EN, JIS, ASTM, DIN, etc.), auto parts, low-temperature ductile iron, vermicular graphite iron, etc. The products are widely used in industries of water treatment, oil pipelines, mines, textiles, food, wind power, etc.
Our production base had integrated investment casting and precision CNC machining resources, and deliver over 500 containers to customers all around the world.
Casting Process: Investment Casting Process of Sodium Silicate
Material Standard: GB, ASTM, AISI, DIN, BS, JIS
Maximum Size: 1000mm
Weight Range: 0.2-90kg
Annual Output: 8,000 Tons
Casting Facilities:
Several molding machines, 20t rotor sand mill, 10t resin sand assembly line, 10t annealing furnace, 3t annealing furnace, 2 sets of 1t intermediate frequency electric furnace, 2t intermediate frequency electric furnace.
Mechanical Testing Equipment:
300kN tensile testing machine, 30t Brinell hardness tester, 300J impact testing machine, direct reading spectrum analyzer, metallographic detector.
Our precision machining workshop equipped with all series of world-class CNC machine tools like: Germany Schiess Double-gantry boring and milling machine, Italy PAMA large boring mill, Japan Mitsubishi horizontal boring and milling machine, China WZ large vertical turning center etc. Our advanced machine tool fleet allows us to complete even the largest machining projects ever known on earth.
Why Choose Openex?
Openex Mechanical Technology Co., Ltd is one of very few companies that can provide comprehensive metalworking services to customers worldwide.
We have a vast range of world-class machine tools and advanced inspecting tools, and they have been successfully providing services for more than 30 of industrial giants which have ever listed or are still in the world top 500.
We use our knowledge and expertise to devise and employ solutions that not only meet, but exceed our customers' expectations, and our wealth of industry experience allows us to offer suggestions to help customers optimize designs and find more efficient production procedures.
Certifications
We understand the importance of meticulous quality management and we have already passed certificates of ISO, CE, ASME, API, LR etc.
Whatever your metalwork requirements are, no task is too large, no task is too complex for Openex. We pride ourselves on being one of the most professional and reliable suppliers, not just through price, but also creative capability to meet customer's increasing diversified and specified demands in metalworking.
Contact Us
Audited Supplier 
){kind=link}