What are the usage restrictions for this product?

Do not use on doors over 80kg, do not extend chain beyond 110 degrees, not suitable for external doors, rising, falling, projection or parliament hinges.

What is the maximum door width and weight supported?

Suitable for doors up to 940mm width and 80kg.

What is included in the packing?

1 piece for a box;10 boxes for a carton.

Perko Chain-Linked Closer Concealed Hydraulic Jamb Door Closer

Name: Perko Chain-Linked Closer Concealed Hydraulic Jamb Door Closer
Brand: Dongguan Shengang Precision Metal & Electronic Co., Ltd.
SKU: 864296925

Guangdong, ChinaDongguan Shengang Precision Metal & Electronic Co., Ltd.

US$1.00-60.00

500 Pieces

Sample price:US$80.00/piece.Request sample

Product profile

Customization

Available

Type

110 Degree

Finish

Stainless Steel

Model NO.

SG-DC002

Material

Brass

Name

Chain-Linked Closer Concealed Hydraulic Jamb Door

Angle

110 Degree

Door Weight

80kg

Fittings/Box

3 Piece Plates and 8 Piece Ss Screws

Transport Package

White Inner Boxes, Yellow-Brown Outer Cartons for

Specification

175*60mm

Trademark

Origin

China

Production Capacity

10000piece/Pieces

Key features

5-Year Warranty Coverage: Free replacement for any defective closer due to faulty manufacture or material defects.

Adjustable Speed and Latch: Features adjustable speed and latch functions for versatile door control.

Stainless Steel Finish: Constructed with brass material and finished in durable stainless steel.

110 Degree Opening Angle: Designed specifically for door openings up to 110 degrees.

Supports Heavy Doors: Suitable for doors up to 80kg weight and 940mm width.

Complete Installation Kit: Includes 3 piece plates and 8 piece SS screws in the box.

OEM and ODM Services: Customization services available for branding and design requirements.

Fast Delivery Options: Delivery time ranges from 5-10 days for stock items to 15-30 days for custom orders.

Company profile

Dongguan Shengang Precision Metal & Electronic Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 19 Years CertifiedNearest Port: Shenzhen Port, Guangzhou PortAverage Response Time: ≤4.42h

AI-Powered supplier vetting

SummaryDongguan Shengang Precision Metal & Electronic Co., Ltd. is a China-based limited trading/manufacturing company established in 2007, with a stated founding description also referring to February 2000. It operates from Dongguan, Guangdong, with 117 employees, a 5,550 m² manufacturing plant, six production lines, and 5 R&D engineers. Its product range centers on door and window hardware, including hinges, locks, handles, closers, stoppers, and sliding or folding-door fittings. The supplier reports ISO 9001:2015 certification, OEM/ODM cooperation, international export coverage, and sales in Europe, America, Southeast Asia, and the Middle East. Production-management and technical capabilities are supported by stated equipment, engineers, quality-control personnel, and testing activities. However, the provided information does not substantiate after-sales procedures, financial strength, specific customer cases, or measurable customization performance.

Supplier typeThe supplier is identified as a China-based limited company and trade company, while its descriptions also characterize it as an international manufacturer integrating R&D, production, and sales of door and window hardware. This indicates a combined trading and manufacturing profile rather than a purely trading entity.

CertificationsThe supplier explicitly reports holding an ISO 9001:2015 certificate for its management system. This is direct evidence of a recognized quality-management certification, although the scope and validity details are not provided.

R&D capabilityThe supplier reports advanced production equipment, leading production technologies, 5 R&D engineers, mold-making and product-testing activities, and multiple product types including adjustable concealed and casement hinges. These statements directly support active technical development and product innovation capability.

Production capacityThe supplier reports a 5,550 m² manufacturing plant, six production lines, advanced equipment, production technologies, dozens of production staff, quality-control personnel, and a production-management system. Its stated product scope and broad export markets further indicate established operating capacity.

Customization capabilityThe supplier states that its engineers conduct R&D, mold making, production and processing, and product testing, and that it cooperates with international brands through OEM and ODM. These activities explicitly support customization capability, although no customization examples, minimum quantities, or technical limits are specified.