About Us

Dongying Zhengda Biotechnology Co., Ltd., located in Dongying, Shandong, China, has over 17 years of expertise in gelatin production and equipment manufacturing.

Covering 90,000 m², our facility includes modern workshops for gelatin production, pre-treatment, water treatment, and power, supported by advanced infrastructure.

We produce annually: 10,000 tons of edible gelatin, 5,000 tons of collagen peptide, 3,000 tons of industrial gelatin, and 10,000 tons of industrial protein powder.

In addition, we operate a specialized factory for gelatin equipment, featuring the latest production technology. Our equipment is sold both domestically and internationally, earning us a strong industry reputation.

Zhengda is committed to cutting-edge technology and strict quality control to ensure our products meet international standards and diverse client needs.

We uphold the values of “customer first, excellent quality, considerate service, and win-win cooperation,” delivering high-quality gelatin products, reliable equipment, and full technical support to global partners.