Smart Lock
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Independent Patented product: Silent operation, easy push pull opening mechanism
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Push-pull convenient opening with tubular lock body
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Handles for plastic steel,UPVC,aluminum door & windows
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Custom-made products: OEM/ODM services are available
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Various models of lock bodies and cylinders, accepting bulk customization
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Products category

Direct Push Door Lock

Direct Push Door Lock

Door Handle Lock

Door Handle Lock

Mortise

Mortise

Cylinder

Cylinder

Window Handle

Window Handle

UPVC Door Lock

UPVC Door Lock

Tubular Door Lock

Tubular Door Lock

Door Knob Lock

Door Knob Lock

Hinge

Hinge

Smart Lock

Smart Lock

Certification

IS0 45001:2018 CERTIFICATE OF REGISTRATION

IS0 9001:2015 CERTIFICATE OF REGISTRATION

IS014001:2015 CERTIFICATE OF REGISTRATION

Advanced Equipment

The company has fully automatic die-casting equipment, stamping equipment, CNC processing equipment, environmental protection polishing equipment, automatic electrophoresis production lines, automatic painting lines, electroplating lines, assembly lines and testing equipment, which can complete the whole set of processes including die-casting, stamping, machining, polishing, electroplating, electrophoresis, painting, assembly and testing.

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Quality Assurance

We have many years of die-casting experience and are capable of undertaking die-casting products with complex structures and high surface and internal quality requirements. High-performance CNC equipment is adopted for mechanical processing, which can meet customers' high requirements for dimensional accuracy. Most of the polishing workers have more than 10 years of polishing experience, laying a foundation for meeting customers' high requirements for product surfaces. 

Services

Since its establishment, the company has always adhered to the business philosophy of "being a person with integrity and doing things realistically", and the business idea of "quality, innovation and service". It creates enterprise benefits through efficient management and establishes an enterprise image through quality service. With the long-term cooperation and support of domestic and foreign customers and the efforts of all Zhengshi people, the company's scale has steadily developed and expanded.

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About Us

Yantai Zhengshi Hardware Co., Ltd., founded in 2018, is located in Yantai City, Shandong Province, a beautiful coastal city in China. The company is a comprehensive enterprise integrating R&D, design, production, sales and service. It has passed ISO9001, ISO14001 and ISO45001 international management system certifications. Currently, it has more than 80 employees. Its business scope mainly includes R&D, production and sales of locks and furniture hardware products, and it also undertakes various aluminum alloy and zinc alloy die-casting parts business. The company's products are exported to many countries and regions such as Japan, the United States, Canada, Spain, Italy, Russia, Ukraine and Argentina. Upholding the spirit of craftsmanship, the company continuously strives for excellence, continuously provides stable and reliable products and services for customers, and has won praise from customers.

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Company Strength

The surface treatment processes of electroplating, electrophoresis and painting all adopt mature surface treatment technologies, and the surface performance testing standards adopt Japanese JIS standards, which can meet customers' diverse requirements for product surfaces. 

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Certification

With quality as the foundation, technology as the core, innovation as the soul and brand as the guide, the company has independently developed the "D&Q" series of silent door locks. All such products have passed SGS testing and have obtained more than 20 utility model patents and appearance patents in total, and the company's core competitiveness is constantly improving.

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