ABOUT US

Zhejiang Zhenghe industry and Trade Co., Ltd. is a comprehensive large-scale modern enterprise integrating investment, R & D, manufacturing and marketing of multifunctional cast aluminum fireproof door manufacturers, bridge broken aluminum fireproof window manufacturers and steel fireproof door manufacturers. Oppda door industry is the main brand of oppda. It mainly produces oppda cast aluminum door, oppda broken bridge aluminum fire-resistant window, oppda steel fire-resistant window, oppda wood fire-resistant door, oppda steel fire-resistant door, oppda anti-theft door, oppda entrance door, etc., which lays a solid foundation for the development of the company to collectivization, diversification, scale and brand.
01/The strength of my "door"
Zhejiang Zhenghe industry and Trade Co., Ltd. oppda door production base is located in Zhejiang Wuyi Baihuashan Economic Development Zone, covering an area of 90000 square meters, with modern standard workshops and multiple sets of modern production lines. With a net asset of nearly 500 million yuan and more than 600 employees, the company has a daily production capacity of about 2600 square meters, with an annual production capacity of about 300000 square meters of doors, broken

 bridge aluminum fire-resistant windows and steel fire-resistant windows. The product quality has won the praise of customers. The company has strict organization, strong enterprise strength, advanced technology and equipment, excellent manufacturing technology, rich product varieties and sound marketing network. The company will set up offices and distribution points in more than 30 provinces, cities and autonomous regions in China, and its products are sold well all over the country.
02/The quality of my "door"
Oppda fire doors and windows have passed the national compulsory product certification and the fire door qualification certificate of the people's Republic of China.
03/My "door" culture
In line with the core value of "creating safe space and improving quality of life", we will continue to innovate, build a first-line brand of China's door city, and lead the environmental protection and safety intelligent door industry.
Oppda one by one quality, witness life!


A brand is a spiritual banner of an enterprise; the cognition of a brand image is a personality characteristic of a corporate brand in the market and in the hearts of the public. It reflects the public, especially consumers' evaluation and cognition of the brand. Brand image and brand are inseparable. Image is a characteristic of a brand and reflects the strength and essence of the brand. Brand image includes product name, packaging, graphic advertising design, etc. Image is the foundation of the brand, so OPDA attaches great importance to the shaping and promotion of brand image.

Brand marketing is the process of enabling customers to form a cognition of corporate brands and products through marketing. It is for companies to continuously gain and maintain competitive advantages. Opda focuses on brand building while also constructing high-quality marketing concepts.
The road is long and long, I will search up and down...
Consolidate the world! Opda has been working hard...










Qualification certificate
  • Certificate 04
  • Certificate 03
  • Certificate 02
  • Certificate 01
  • Certificate 06