Due to the increasingly high demand for Proteinase K, our inventories are limited. We are prioritizing orders for those customers directly involved in containing the spread of COVID-19. Please contact us for pricing and availability. 

Inquire about bulk sizing and pricing details, please contact us

Email Quote &

Business Development Inquiries

marketing@gproan.com

marketing@gproan.com.cn

Technical Support & Customer Service:
han@gproan.com.cn
Pricing inquiry and quote            
Mobile  phone  Mr. Lu: +86 13911302596 (China)

Dr. Yuan:+1 405 531 9066 (United States)

Telephone +86-10-62973378-806

China