Jiangbei Tangtou Valve Processing Factory was established. The products have been processed mainly. The founding employees are only the factory director Lin Jianzhong and the younger brother Lin Jianguo.

The Yongjia County Zhengmao Stainless Steel Valve Factory was established. Since then, the “Zhengmao” brand has been officially used, and the company has moved away from the original plus workshop mode to its own production and sales model.

The standard brick and wood structure factory building in Tangtou Industrial Zone, Yubei Town was completed and the production conditions were improved.

Zhejiang Zhengmao Valve Co., Ltd. was established, and its production range has expanded from the original single professional stainless steel valve to carbon steel, bismuth molybdenum steel and special steel.

Obtained the ISO9001 quality system certification, and the company has moved to the path of modern management and standardized production.

Shanghai Zhengmao Valve Co., Ltd. was established and obtained import and export licenses. Valve products began to be sold all over the world.

It has obtained CE safety certification and API American Petroleum Institute certification, and its products have been sold to countries such as Europe and America.

The 20,000-square-meter new plant in Wuxing Industrial Zone, Yubei Town, Wenzhou City was completed and put into operation. The corporate headquarters also moved to the plant area, and the production capacity of the company has advanced by leaps and bounds.

The foundry branch was established, the company's castings began to be self-sufficient, and the delivery time and quality of the castings were guaranteed.

Through the investment promotion of the People's Government of Lishui City, Zhengmao Valve Li Moisture Company was established. In the same year, the construction of a new 50-mu plant in Lishui Industrial Zone was started.

Upgraded to a non-regional company, renamed Zhengmao Valve Co., Ltd.

Won the national high-tech enterprises, Wenzhou city science and technology enterprises. The strength of enterprise R&D has been recognized by the Science and Technology Department and the government.

The company's plant is completed and put into production, mainly producing export American standard valve products.

The bridge under the new casting plant was completed, the foundry branch moved from Qibei Town to Qiaoxia Town, and the production line was expanded to three intermediate frequency furnace production lines. It was jointly awarded by Zhejiang Propaganda Department and Zhejiang Administration for Industry and Commerce as “Zhejiang Honest Private Enterprise”. honor.

Honored by Zhejiang Administration for Industry and Commerce, “Zhejiang Province Abiding by Contract and Credit AAA”

Obtained the highest A1 production qualification certificate issued by the AQSIQ for special equipment production license (TS certification).

“Zhengmao” brand trademark was awarded the well-known trademark of Wenzhou City and the title of Wenzhou Famous Brand.

Obtained ISO14001 Environmental Management System Certification and ISO18001 Occupational Health Management Certification. The new plant area of Tangtou Industrial Zone was completed and put into production, and the production capacity was further expanded.