History of Development

Creating a high-quality brand and casting a first-class corporate image!

Leap & achievement


While developing the company, Mr. Chen Chengzhong never forgot to repay the society, and was awarded by the Ouhai District Red Cross.The honorary title of "Red Cross Mercy Award". In the same year, ZONZEN Locks was named "National High-tech Enterprise". Since 1995, the company has successively won the titles of "Famous Trade Name of Zhejiang Province" and "Famous Trademark of Zhejiang Province".


In addition to two design patents, the company also received six utility model patent certificates. In the same year, it won the titles of "Wenzhou Famous Brand" and "Ouhai District Technology Innovation Technology Enterprise".


Zhongzheng Cabinet Lock was rated as "Famous Brand Trademark" by Ouhai District of Wenzhou City. In the same year, A40-15, A705-16 and A40-1 6 won the design patent certificate again, increasing the stock of intangible assets of the enterprise.

Harmony & wisdom


It passed the GB / T28001-2001 occupational health and safety management system certification, which strengthened the cohesion of the enterprise.


Electric device door lock (MS815-16, T105, T102, MSA40-6, HD305, L502-1, MS401 triangle and lock key) and electric cabinet hinge CL042 applied for design patent certificate.


It was rated as "AA Grade of Zhejiang Industrial and Commercial Enterprise Credit" and "Contract-honoring and Credit-honoring Unit". Company of the same year The MS series cabinet locks produced are among the best in the industry in terms of market share, making the company's development A new level.


Passed the ISO14001: 2004 environmental management system certification, and was evaluated by Zhejiang Administration for Industry and Commerce For "integrity enterprise"

Pursuit & growth


It was officially renamed Zhejiang Zhongzheng Lock Industry Co., Ltd., and its business scope was further expanded.


It was renamed Wenzhou Haitan Lock Industry Co., Ltd. (the business scope continues to expand, the main: locks, hardware Manufacturing and processing of products, electrical accessories, axial fans, packaging machinery. Run concurrently: hardware, electrical distribution Pieces. Mode of operation: manufacturing, processing. )


The trademark "ZONZEN" was successfully registered. In the same year, ZONZEN cabinet lock was rated as "Excellent Product" by Ouhai District, Wenzhou City.


Passed the ISO9001 international quality system certification, providing favorable conditions for enterprises to expand exports.

Creation & development


The company requisitioned 5 acres of land in No. 1 Louqiao Dongfeng Industrial Zone, Wenzhou City for plant construction, which opened the development of the enterprise prelude.


Jingshan Lock Factory was registered as Wenzhou Ouhai Jingshan Lock Mechanical & Electrical Company.


The old bamboo lock factory was relocated to No. 7, Lane 143, XiShan dong lu Road, Xinqiao. The name of the factory was changed to Jingshan Lock Factory.


Mr. Chen Chengzhong established the Old Bamboo Lock Factory.