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| Customization: | Available |
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| Standard: | GB, EN, China GB Code, JIS Code, TEMA, ASME |
| Surface Treatment: | Anodizing |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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We are a professional and leading manufacturer & supplier of high-quality custom-welded parts and metal fabrications in China. With over 10 years of expertise in the welding industry, we specialize in providing OEM & ODM services to a global clientele across various sectors. Our mission is to transform your designs into durable, precise, and cost-effective metal components.
| Product type: | Welding parts |
| Material: | Available Materials & Standards We work with a wide range of materials to meet diverse application needs: Carbon Steels: Q235, SS400, Mild Steel. Alloy & Structural Steels: S355JR, A36, 4140. Stainless Steels: 304, 316, 430. Aluminum Alloys: 5052, 6061, 6063. Other Metals: Copper, Brass. Standards: ASTM, DIN, JIS, GB, or as per customer specifications. |
| Welding Process & Surface Treatment Options | Welding Techniques: MIG, TIG, MMA (Stick), Spot Welding, Submerged Arc Welding (SAW) for thick plates. Post-Weld Treatment: Stress relieving, annealing, shot blasting. Surface Finishes: Coating: Powder coating, wet painting (RAL/ Pantone colors available). Plating: Electro-galvanizing, hot-dip galvanizing. Other: Sandblasting, polishing, passivation (for stainless steel), anodizing (for aluminum), oil coating.brush finish, oxidation, screen printing, laser, sandblasting, galvanized |
| Color: | Black, Red, Yellow, Blue, Pink, Natural color |
| Precision tolerance: | +/- 0.1 |
Our Core Advantages & Specializations


Welding Section: Robotic MIG/TIG welding stations, semi-automatic welding machines, argon arc welding for stainless steel & aluminum.
Fabrication & Cutting: CNC laser cutting, CNC plasma cutting, fiber laser cutters, high-precision sawing machines.
Forming Machinery: CNC press brakes, hydraulic presses, rolling machines.
Machining & Finishing: CNC machining centers for post-weld machining, lathes, milling machines, grinding & polishing equipment.
Quality Control: CMM (Coordinate Measuring Machine), welding gauges, ultrasonic thickness testers, hardness testers
*We have specialized QC testers to check the quality of the products according to different customers'
requirement. Usually, it's random inspection, and we also offer 100% inspection at a reasonable price
if required.
*We have IQC to check the dimensions and surface of the incoming material
*We have PQC to inspect full-course during the manufacturing processing
*We have FQC to inspect all the anodizing/plating and other finishes' products from our supplier and
proceed with the professional quality and appearance inspection before shipping.

We are ISO 9001:2015 certified and utilize continuous employee training, automation, continuous process improvement, and innovation to maximize the quality, reliability, and cost-effectiveness of the parts you need. Throughout the production process, parts are carefully inspected at multiple quality control points, and all goods undergo thorough testing and inspection before shipment to your facility. As a result, our team consistently maintains a near 0% external parts rejection rate, allowing many of our customers to eliminate time-consuming and costly incoming parts inspection processes.
Diverse Applications
Our welded parts are widely used in:
Custom Welding fabricated sheet metal products, Equipment and electrical enclosures, Metal covers, metal boxes, and cabinets, Metal panels, Fiber distributor box, Water treatment purifier frames, Custom metal shelving & brackets, Metal electronics components, Printer housing, Air conditioning housing. Bank, telecommunication service terminal Cabinets, Communications equipment, Scientific equipment
Construction Machinery: Frames, booms, buckets, brackets.
Agricultural Equipment: Chassis, housings, implements.
Material Handling: Conveyor frames, pallet racking, forklift components.
Automotive & Transportation: Chassis parts, trailers, truck bodies.
Industrial Machinery: Machine bases, enclosures, supports.
Furniture & Retail: Metal frames, displays, shelves.
Shipping way:
1) 0-100kg: express&air freight priority,
2) >100kg: sea freight priority,
3) As per customized specifications
Packing & Delivery:
1. Packing Detail: Each product packed with plastic preservative, EPE, foam plastic bag, Carton
outside, wood case or iron case or as per the customer's special requirement. Besides, the custom
package takes a week to prepare in advance.
2. Delivery Detail: the fast International Shipping time takes 3 ~5 working days by DHL/UPS/FedEx,
slow shipping time takes 7~ 8 working days by DHL/UPS/FedEx/TNT, etc.
Q1: Why choose us?
A: We have our own factory, Weifang Shengao Machinery Co., Ltd., so we can guarantee the quality of each product and provide you with competitive prices. We are committed to providing customers with first-class quality supply services, hoping to establish successful cooperative relationships with partners and become their preferred supplier.
Q2: What if you can't find the product you need on our website?
A: You can send pictures and drawings of the required products by email, and we will confirm whether we have them. Or you can also send samples by DHL/TNT, and we will tailor them for you.
Q3: How to customize (OEM/ODM)
A: If you have new product drawings or samples, please send them to us. We can customize the hardware according to your requirements. We will also provide professional product suggestions to make the design more specific and maximize performance.
Q4: Can you strictly follow the tolerances on the drawings and meet high precision requirements?
A: Yes, we can, we can provide high-precision parts and manufacture parts according to your drawings.
Q5: What is the payment method? How should I order and pay?
A: We accept T/T (bank transfer), Western Union, L/C.
Sample: 100% paid with order;
Production: 30% deposit paid by T/T before arranging production, and the balance paid before shipment.
Q6: What is your minimum order quantity?
A: The minimum order quantity depends on the customer's needs, usually 100-200 pieces. in addition, we also accept trial orders before mass production.
Q7: How long is your delivery time?
A: Standard parts: 7-15 days
Non-standard parts: 15-25 days
We will deliver as soon as possible while ensuring quality. The production cycle will vary greatly according to product size, technical requirements and quantity. We always meet customer requirements by adjusting the workshop schedule.
Q8: Which mode of transportation is better?
A: Generally speaking, due to the heavyweight of the product, we recommend shipping by sea, and we also respect your opinions on other modes of transportation.
Q9: Can I know the progress of my product without visiting your company in person?
A: We will provide a detailed product schedule and send weekly reports with digital photos and videos to show the progress of processing.
Q10: How to ensure quality?
A: The company has strong technical support, and all our processes strictly follow ISO9001:2008 procedures. From production to delivery, we always strictly control quality.
Q11: If the product you produce is of poor quality, can I refund it?
A: We strictly produce according to the drawings or samples until you are 100% satisfied. In fact, we will not take the risk of producing inferior products.
If there's anything we can help with, please feel free to send an inquiry, thanks in advance!