PRODUCT CENTER
1.201 material stainless steel lock body, outer rubber ring, waterproof and rust-proof 2. All copper core 3.2 nickel-plated iron key 4. Copper marble, stainless steel spring
1. 304 material stainless steel lock body, waterproof and rust-proof 2. All copper core 3. 2 nickel-plated copper key 4. Copper marble, stainless steel spring
1. 304 material stainless steel lock body, waterproof and rust-proof 2. All copper core 3. 2 nickel-plated copper key 4. Copper marble, stainless steel spring
The copper material is wear-resistant, and its performance is much better than that of other materials. The aluminum lock core is the representative of low cost, not wear-resistant, not fireproof; The iron lock core is fireproof, wear-resistant and difficult to process, but it has good fire resistance. The copper lock core is wear-resistant and easy to process. It is not fireproof. Compared with iron, it is soft and easy to pry. The iron is not safe enough.
The copper material is wear-resistant, and its performance is much better than that of other materials. The aluminum lock core is the representative of low cost, not wear-resistant, not fireproof; The iron lock core is fireproof, wear-resistant and difficult to process, but it has good fire resistance. The copper lock core is wear-resistant and easy to process. It is not fireproof. Compared with iron, it is soft and easy to pry. The iron is not safe enough.
1. Iron lock body, manganese steel shear lock beam 2. Surface treatment: copper plating, wire drawing, nickel plating, chrome plating, copper plating, etc 3.3 nickel-plated blade key 4. All copper core 5. Various packaging methods are available
1. Iron lock body, manganese steel shear lock beam 2. Surface treatment: copper plating, wire drawing, nickel plating, chrome plating, copper plating, etc 3.3 nickel-plated blade key 4. All copper core 5. Various packaging methods are available
1. Iron lock body, manganese steel shear lock beam 2. Surface treatment: copper plating, wire drawing, nickel plating, chrome plating, copper plating, etc 3.3 nickel-plated blade key 4. All copper core 5. Various packaging methods are available

Strong production strength
The company produces 5 million pieces of products annally

Pragmatic planning
Know what consumers really need. Do not make flashy products and functions.

Quality assurance
The product has the characteristics of novel structure, beautiful appearance, exquisite material selection and excellent quality.

Service support
The company with high professionalism, strict scientific management, thoughtful after-sales service purpose
ABOUT US
Pay homage to life with ingenuity,pay homage to the times with wisdom
Our company was founded in 1993 and located at 159 JinLei Avenue, Pujiang County, Zhejiang Province, area10000m2 ,floor space 15000m2. Our company has 200 employees and 30 management and technical personnel. Yiwu International Trade City , shop number -F2 ( 13389). The company's main products are more than 30 series and more than 150 varieties and specifications, with 3 trademarks of "DONGYA", "MD" and "Sowan"...

WORKSHOP
COMPANY ENVIRONMENT
Mingding · Make life better
"Persist in improving the overall performance" is our eternal goal
Read More+INFORMATION
Principle of mechanical code lock
2023-03-14
The mechanical code lock operates in a unique way, using the dialing principle of the old telephone - starting from the starting point of the dial, turning the dial clockwise to a certain number, then returning to the starting point, and then entering a password.
Development and change of copper lock
2023-03-14
Copper locks have a wide range of applications. Secondly, copper is not easy to rust. After years of polishing, the luster will become more soft and beautiful. At that time, the copper lock company took "serving the people" as the purpose of production and manufacturing service, rather than profit as the goal of pursuing quality.
Common faults and troubleshooting of padlock
2024-03-22
The padlock is widely used in daily life. Since the parts are enclosed in the lock body, there is no need to install them during use, so there are few failures. If the padlock is used outdoors for a long time, the lock core and the lock beam will not jump.
No. 159, Jinlei Avenue, Pujiang County, Zhejiang Province


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