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Hello,
Thank you for visiting our showroom on made-in-china.com. We are professional contract manufacturer specializing in customized metal fabrication and large machining.
Our service includes but not limitted to prefabrication of pipelines.
| Aspect | Prefabrication (Shop) | Traditional Field Fabrication |
| Quality & Consistency | Superior and Consistent. Controlled environment allows for optimal welding, alignment, and NDE (e.g., X-ray, UT), leading to higher integrity and fewer defects. | Variable. Subject to weather, wind, lighting, and difficult positions, increasing risk of defects. |
| Efficiency & Cost | Faster & More Economical. Parallel work streams, optimized tool stations, and reduced weather delays cut overall schedule and labor costs. Material waste is minimized. | Slower & More Costly. Sequential work, mobilization/demobilization of equipment, and weather disruptions increase time and expense. |
| Safety | Inherently Safer. Work at ground level in a structured facility reduces fall risks, confined space entry, and exposure to live plant hazards. | Higher Risk. Involves extensive work at height, in trenches, and often in proximity to operating equipment. |
| Predictability | Highly Predictable. Schedule and budget are more reliable as the process is insulated from most site uncertainties. | Less Predictable. Heavily dependent on site access, coordination with other trades, and weather. |
This method is dominant in industries where quality, schedule, and safety are paramount:
Oil & Gas / Petrochemical: Offshore platforms, refineries, and chemical plants.
Power Generation: Nuclear, fossil fuel, and combined-cycle power plants.
Pharmaceutical & Food & Beverage: Where ultra-high cleanliness and quality are required.
Commercial Construction: Large-scale HVAC and plumbing systems for high-rise buildings.
For a timely quotation, please provide us with details of your needs:
| Detail Drawings | Material specifications | Necessary | |
| Dimensions with tolerances | Necessary | ||
| Surface finishes and treatments | Necessary | ||
| Related information | Optional | ||
| Quantity | Quantity per order | Necessary | |
| 3D Files | .step, .igs, .ipt, .prt, .ifc, etc. | Optional | |
Openex Mechanical Technology Ltd., based in Xiamen, China, is 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.
* The pictures above only show a part of our facilities. A factory tour is welcome.
With a wide range of fabrication and advanced machining equipment, we are equipped to tackle the most demanding metalworking projects from cutting, welding to machining with competitive prices, high standard requirements and on-time delivery.
Crawler Crane Components
Press Machine Frame Components
Dump Truck Components
Cyclone Separator Components
* Contact us for a more comprehensive view of our latest project highlights, as the images only capture a portion of our projects.
We utilize laser trackers and CMMs. The largest CMM is capable of handling components up to 7000x4000x3000 mm with an accuracy of 0.43 um.
Each product undergoes meticulous inspection to ensure it meets your quality requirements before shipping.
There are many ways of packaging and transportation for customers to choose, and we can also recommend the most economical and reasonable way. 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.
We use our knowledge and expertise to provide 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.
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.
If you have any specific demands, please let us know, and we would be glad to offer further information or assistance based on your needs.
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