Customized Welding Solutions for Large Steel Machine Frame Fabrication

• Customization: Available
• Standard: GB, ASTM, DIN, JIS
• Tolerance: ±0.01~1.0mm
• Model NO.: CW-0001-00013
• Surface Treatment: Powder Coating Zinc Plating Chrome-Plating Polis
• Machining Method: Laser Cutting Bending Welding Grinding etc
• Material: Carbon Steel Alloy Steel Stainless Steel
• Application: Steel Workshop, Steel Structure Platform, Steel Fa
• After-Sales Service: 1 Year
• Carbon Structural Steel: Q235
• Transport Package: Standard Package/Pallet or Container/as Per Custom
• Specification: Customized
• Trademark: Custom logo
• Origin: China
• Production Capacity: 5000tons/Year
• Package Size: 220.00cm * 150.00cm * 140.00cm
• Package Gross Weight: 30.000kg

Product Description

Product Description

Experience unparalleled expertise with our Professional Welding Services, meticulously tailored for OEM Metal Parts Fabrication. At Dongguan Changwei Machinery Co., Ltd., we specialize in delivering Customized Welding Solutions for Large Steel Machine Frame Fabrication, ensuring precision, durability, and excellence with every project.

Description	OEM Steel metal fabrication products mild steel fabrication
Material	Carbon Steel, Stainless Steel, Alloy Steel, Aluminum Alloy.
Drawing format	3D/CAD/DWG/STEP/PDF
Metal Processing	Laser cutting & cutting,laser welding & welding,milling , drilling, stamping, turning-lathe,CNC center and so on.
Certification	ISO9001:2015
Machining precision	±0.01~1.0mm
Surface treatment	Powder coating,Zinc plating, chrome-plating, polishing, spraying, dust collection,painting and so on
Production application	Metal parts, Mechanical parts, Marine Hardware, Electric power fitting, Construction parts, Pipe Fitting, Hardware, Auto parts, Valve parts, Industrial parts, Agricultural machinery, Hinges, etc
Mode of transport:	Express /Air Freight Priority/Sea Freight/As Customer Requirements
Service	To chart to sample production; OEM / ODM
Packing details	Standard package/Pallet or Container/As per customized specifications
MOQ	Small order is accepted

Our Advantages

Product Parameters

Comprehensive Production Equipment List As Detailed Below:
 

Available Process Material	carbon steel , stainless , aluminum, brass , copper , bronze , steel alloy ,Nylon ,plastic etc.
Finish Treatment Available	polish , zinc , hard anodizing , nickel plating , chrome plating , powder coating , phostate coating ,sanblasting etc.
Heat Treatment  Available	annealing, quenching hardening, blacking,tempering ,nitriding etc.

Extensive Welding Equipment Inventory:
 

Item	Equipment Name	Brand/Model	Place of Origin	Processing Range  (mm)	Machining accuracy (mm)	Quantity (Units)
1	20000W High Power Laser Cutting Machine	DX	China	5000mm*3200mm*1800mm	0.05	1
2	12000W High Power Laser Cutting Machine	DX	China	12000mm*3500mm*500mm	0.05	1
3	Fiber laser tube cutter	Han's Laser	China	6000mm*180mm*180mm	0.1	1
4	CNC Gantry Machining Center	DX	China	6000mm*2000mm*1000mm 5000mm*3200mm*1800mm 3000*2400*800 2200*1500*700 2500*1800*800	0.02	6
5	Horizontal CNC Machining Center	TY	China	2200*1000*800	0.02	1
6	Precision CNC Guideway Grinding Machine	FREEPORT  TW	China-Taiwan	4000*2200*1200	0.005	1
7	Precision CNC grinding machine	JC/TY	China	2000*1500*600	0.005	1
8	Precision Gantry Milling & Boring Machine	TY	China	6000*2800*1200	0.02	1
9	Gantry milling machine	JS	China	4000*2200*1500 3000*1800*1500 2000*1500*500	0.1	3
10	Precision Milling Machine	TY	China	2500*1200	0.1	1
11	Gantry Carving and Milling Machine	JTJB	China	MST-2522S	/	1
12	CNC semi-automatic surface coating line	/	China	/	/	1
13	Semi-automatic sandblasting room	/	China	12000*5000		1
14	shot-blasting machine	/	China	/	/	1
15	Dioxide protection welding machine	PC/Panasonic	China/Japan	KH-300/KH-500	/	16
16	tig welding	HW	China	250/400/500	/	3
17	Fiber Laser Welder	SS	China	1500/2000	/	2
18	welder	/	China	/	/	8
19	Semi-automatic cutting machine	HT	China	CG2-100#	/	1
20	Flame cutter	/	China	CG1-30	/	1
21	60 type steel/flat iron cutting machine	SK	China	1280*480*720mm(2.5-125)	/	1
22	sawing machine	LY	China	4232/4240	/	2
23	Square drawing machine	XN	China	12M	/	1
24	Stainless Steel Drawing Machine	HY	China	12M	/	1
25	Automatic sheet metal drawing machine	JH	China	600mm	/	1
26	Hydraulic machine	/	China	/	/	3
27	Oil hydraulic press	/	China	/	/	1
28	Air compressor	/	China	/	/	5
29	Automatic Tapping Machine	ZE	China	1800/1500/1200	/	3
30	bench drill	/	China	/	/	3
31	Rocker arm drilling machine	ZJ/SY	China	3050	/	3
32	Gantry traveling crane	/	China	Double/Single Girder-10T/2.8T	/	22

Advanced CNC Equipment Collection:
 

Item	Equipment Name	Brand/Model	Place of Origin	Processing Range  (mm)	Machining Accuracy (mm)	Quantity (Units)
33	CNC machining center	T600	China	600*400*400 (X/Y/Z)	0.005	7
34	CNC machining center	MC850	China	800x500x500 (X/Y/Z)	0.01	5
35	CNC machining center	V-1370	China	1300x700x600 (X/Y/Z)	0.01	4
36	CNC machining center	V-1600	China	1600x500x600 (X/Y/Z)	0.01	5
37	CNC lathe	MXC-52	China	400*300(D*L)	0.0038	5
38	Digital display  drilling and milling machine	FengBao	China	920x410x400	0.01	5
39	Precision grinding machine	water mill/plane grinding	China	1000*500 500*200	0.005	3
40	Wire Cutting Machine  Medium Walking Wire	Ruijun CNC/FR-400/G	China	400x400x300	0.01	5

Production Processes

Our Comprehensive Production Processes Include the Following:

Packaging & Shipping

Select package type
Carefully packed: cartons are used for interior protection, while robust wooden cases safeguard the exterior.
1. Products are securely packed within sturdy wooden cases for ultimate protection.
2. Opt for our eco-friendly paper packaging for a sustainable solution.
3. Foam packing ensures additional cushioning and protection during transit.
We tailor our packaging to match the specific requirements of the product or as per customer specifications.

Transportation
Expect your order to be dispatched within 6-36 working days after order confirmation.
Delivery time varies based on item specifics and order volume.
1. For packages under 50 kg, choose express services like DHL, UPS, FedEx, TNT, or EMS for door-to-door convenience.
2. For shipments between 50 kg and 200 kg, air transport offers fast and secure delivery, though it may be costlier.
3. For shipments exceeding 200 kg, sea freight is a viable option, despite longer transit times.
4. We also accommodate specific delivery requirements as per client requests.
5. Our priority is to select the most economical and safest shipping method for your goods.

Receipt of goods time
Air transport: Expect delivery within 1-7 days.
Sea transport: Delivery timeframe ranges from 2-60 days.
International Express: Receive your items within 1-10 days.
Land transportation: Delivery takes between 5-28 days.

1. Q: How quickly can you provide a quote?

A: We can deliver a quote within 24 hours if we have detailed drawings and requirements.

2. Q: What information is required for quoting?
A: Please provide 2D/3D drawings (PDF/DWG/DXF/IGS/STP/SLDPRT/etc.) and specify material, finish, and quantity.


3. Q: What is the minimum order quantity (MoQ) for parts?
A: This depends on your specific parts or project. We are also willing to produce prototypes for testing in small quantities.

4. Q: What is the typical production lead time?
A: Initial samples are ready within 10-15 days. Mass production takes approximately 30 days. If molds are required, add another 20-40 days.

5. Q: What about after-sales service?
A: For any quality issues, please contact us. We will address and resolve all quality-related problems at our expense and record them to prevent future occurrences.

6. Q: What are your payment terms?
A: A 30% down payment is required before production via T/T. The remaining 70% is due upon production completion.

7. Q: Are my drawings or samples safe once sent to you?
A: Yes, we can sign an NDA for your peace of mind, ensuring your drawings and samples are kept confidential and secure.