Stainless Steel Anti-Theft Latch Bearing Hinge Door Hinge Automatic Return Spring Door Closers

• Customization: Available
• Processing Object: Metal
• Molding Style: Forging
• Model NO.: CH-249
• Application: Machinery Parts
• Material: Steel
• Heat Treatment: Quenching
• Surface Treatment: Polishing
• Forging Tolerance: +/-0.1mm
• Standard: According to Your Requirements
• Certification: CE, RoHS, ISO 9001:2008
• Design Software: PRO/E, Auto CAD, Solid Work 2001, Ug
• Delivety Time: 5-25days
• MOQ: 5PC
• Machine Size: 400-2500tons
• Process: Mould Manufacturing, Die Casting, CNC Machining
• Inspection: CMM, Normal Gague, Part Special Customized Gague
• Free Sample: Avaiible
• Quality Control: Flow Chart, Control Plan, Pfema, Cpk
• Transport Package: Standard Export Packing
• Specification: customized
• Trademark: CHOVER
• Origin: Dongguan China
• HS Code: 7326191000
• Production Capacity: 600000PCS / Year

Product Description

1. Product Information

Process	Hot forging, die forging and Free forging
Material	Carbon steel: 1020,1020,1035,1045,1055,Q235,Q345 etc.,
	Alloy steel: 40Cr, 20CrMnTi, 20CrNiMo,35CrMn,42CrMo4 etc.,
	Stainless steel, SS304,SS316 etc.
Standard	ISO, DIN, ASTM, BS ect.
Weight	0.1kg - 100kg
Applicable Machining Process	CNC Machining/ Lathing/ Milling/ Turning/ Boring/ Drilling/ Tapping/ Broaching/Reaming etc.
Machining Tolerance	0.02mm-0.1mm
Machined Surface Quality	Ra 0.8-Ra3.2 according to customer requirement
Applicable Heat Treatment	Normalization , quenching and tempering, Case
	Hardening, Nitriding, Carbon Nitriding,
Applicable Finish Surface Treatment	Shot/sand blast, polishing, Surface passivation, Powder coating, E- Coating, Chromate Plating, zinc-plate, Dacromat, Painting,
Testing equipment	Supersonic inspection machine, Supersonic flaw detecting machine , physics and chemical analysis.
Packing	Wooden cases or according to customers' needs
MOQ of mass production	1000pcs

Our company specializes in producing OEM forging parts. We have 5 sets of 400-2500 tonnage precision forging equipment and many years of production management experience, providing high-precision CNC machining, sandblasting, polishing, anoding and other post-processing to ensure first-class quality and durability. Our advanced manufacturing processes and strict quality control guarantee reliable and high performance products.

Our Prooducts:

Process Flow Chart:

 

 

 

2.About Us

 Dongguan Chover Hardware Products Corperation limited, located in the manufacturing capital of China, Dongguan City, Guangdong Province, integrates product development, production, sales and service. The company specializes in producing various precision metal stamping parts, electric contacts,composite strips, profile contact tapes, skiving heat sink, CNC turning and milling parts, Fasteners, die casting and forging, sheet metal parts etc.
   Our products are widely used in household appliances, new energy, machinery manufacturing,aerospace, transportation, scientific research, medical equipment, communications and other fields. Our customers are all over the world.
   Our team has wide experience in product design and manufacturing.The company has new production and testing equipment, perfect manufacturing technology, Realized the "one-stop service" of hardware products.
   The company has obtained ISO9001:2015 and IATF16949 quality management system certification, and has established a perfect production and quality management system in strict accordance with the quality assurance system.
    The company adheres to the quality policy of "technology for security, quality for survival, customer satisfaction for development", win-win and grow together with customers.

Company Production Equipment:

3.Quality Control
   We have an experienced quality team,and variety of testing equipments, under the guidance of ISO9001 quality management system, through MSA, SPC,CPK and other quality management methods, to achieve effective control of product quality, to ensure that the best quality products successfully delivered to the customers.

Inspection Equipment:

 

 Certificate: 
4. Our Advantage
4.1: Price advantage:
We have a professional manufacturing team, more advantageous management costs, so we can provide you with a more competitive product unit price.

4.2  Technical support:
Provide customers with technical support throughout the development cycle, including product concept, design, prototype and production stage.

4.3  Quality assurance:
Perfect production process and quality inspection system to ensure delivery time and quality.

4.4 Extensive cross-border experience:
Each product adopts an independent packaging design to ensure the safety of the product during transportation.

4.5 Perfect service guarantee:
Dedicated customer service 24 hours online service, patience to answer all kinds of puzzles for you, intimate service every customer.
 

International Partners To Visit Our Company:

Main Customers:
 

5. Packing And Shipment
6.FAQ

Q1: Are you trading company or manufacturer ?
A: We are factory and  Provide a variety of hardware stamping products and CNC products OEM and ODM solutions.

Q2: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q3: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q4: If I wish to send an electronic drawing to you, what types of files can you accept?
A: We accept many formats, such as DXF, DWG and STP.

Q5.What is the shipping method? 
A:It could be shipped by sea,by sea or by express(EMS,UPS,DHL,TNT,FEDEX and ect). Please confirm with us before placing orders.

If you have another question, pls feel free to contact us.