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About Us

Openex Mechanical Technology Ltd., based in Xiamen, China,  has been in the business since 2003. We are one of the very few companies that have the capabilities to provide a full range of metalworking products and services to customers worldwide. We produce metal parts, components, and assemblies involving single or combinative processes such as machining, metal fabrication, casting, forging, etc. Our products are applied to a variety of industries serving a wide range of purposes, such as Machinery, Rail Transit, Power/Energy, Boat/Bridge, Infrastructure, Oil/gas, Aerospace, etc.


Sheet Metal Fabrication    Custom metalworking    Heavy CNC Machining


Our Customers

We are able to provide a wide range of custom metalworking, especially high precision fabrication and machining from the medium parts to large complex assemblies. Openex has accumulated rich manufacturing resources of well-selected manufacturers in China. More than 30 industrial giants listed in Fortune global 500 are our clients.  Some of the customers have cooperated with us for more than 10 years.

Our Expertise

Thanks to the skillfulness and experiences of our staff, we are able to complete any jobs, regardless of how huge and complex, your requirements are. With the help of the latest technology and equipment, we have successfully fulfilled the jobs of a large number of steel rails, battery cases, etc.

Being an expert in the business, we can provide more value-added services to our customers like optimizing designs and streamlining the manufacturing process. Moreover, we have rich experience in maximizing container loading by applying computer simulation technology, which enables us to reduce freight up to 20% and improving packing to minimize potential damage in transportation.

Quality Management

We are ISO, CE, ASME, API, LR certified companies.  Our dedicated and professional quality control team guarantees our products meeting the highest standards.      

Our Certifications: 

Lloyds register of shipping (LR) certification

ISO9001, 14001, OHSAS18001 certification

API certification

DET NORSKE VERITAS (DNV) certification

ASME U/U2 certification

Custom Metalworking Capability

We have world-class metalworking equipment to provide world-class machining services. Eg. Our Schiess VMG6 gantry milling CNC can machine large parts up to 40mX8mX7m under 450t, also equipped with high precision CMM and laser tracking measuring machine together with robotic tool changers to speed all machining process. Visit to see the details of our equipment list.

Our factory locates at the seaside, large metal parts can be shipped from our littoral workshop. Our facility is equipped with super heavy lifting equipment capable of moving components weighing up to 800Ton that makes it easier to transport heavy-duty metal parts.

We pride ourselves in being the most professional and reliable metal fabrication services supplier due to competitive prices and comprehensive capability to meet customers increasingly rising and specialized demands.

  • Tel: +86 592 5580 601
  • Mob: +86 186 5928 0806
  • WhatsApp: +86 186 5928 0806
  • E-mail: bell@openex.com.cn
  • Add.: Unit 2205, No. 170 East Tapu Road, Siming District, Xiamen City, Fujian Province, China.
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Large Machining, Metal Fabrication, Custom Metalworking-Openex
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