Alkaline protease apply to feed additive 

Alkaline protease can used in Animal/Vegetable protein hydrolysis

Alkaline protease can used in Feed additive

Alkaline protease can used in Silk degumming

Our pawpaw extract has passed Kosher/Halal Certificated

Payment is flexible, most of our customer use T/T and L/C. 

We have been doing this product for many years, our quality and service is trustworthy

Don't hesitate to inquire us. We will reply your inquiry within 12 hours.

About us

Nanning Doing-Higher Bio-Tech Co. Ltd. Located in Nanning City, Guangxi, China. With a history of 10 years, now we are one of the most professional enzyme manufacturers in China. Our main products are papain, bromelain, neutral protease, alkaline protease etc. With plenty of raw material planting base, high-level equipment and R&D Applied Technology, we can supply most competitive enzyme preparation. “Green, Safe, Efficient” is our target. All Doing-Higher’s staffs sincerely hope to get a bright future with you hand in hand together.

The advantage of our product

100% activity guarantee

Steady activity

Pure natural raw material, harmless and safe

Aseptic production processing, healthy and environmental

Factory direct-sale Bio-enzyme, quality assurance

ISO/Kosher/Halal Certificate

Our company advantage

Located in Chinese largest papaya planting base

Strict quality control, make sure to give you unmatched quality papain

Professional sales team, reply your question within 24 hours

Excellent after-sale service, deal with customer questions warmly

Advanced R&D team, supply customer characteristic technical solution freely

Our Certificate

Learn more about our company

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