Dear Customer,

First of all, thank you for your support and trust as always!

SBS Genetech is one of the earliest Chinese companies providing scientific solutions for biological scientists and researchers. Over decades, by providing safer, higher quality, and more affordable products, we have served top researchers in nearly 60 countries, empowering them to create new fundamental knowledge in the field of biology. Thousands of papers have been published in the world's top academic journals with our products.

Mutant Proteinase K is one of our best sellers. With its remarkable performance, our Mutant Proteinase K is trusted by researchers and scientists in both academia and industry. Our Mutant Proteinase K is also included on New Products, Science Magazine, March 8, 2019.

With the technology development, the activity of our Mutant Proteinase K has increased by 30% and the purity has touched the world-leading level. To thank you for your continued support, we decide to reduce the price of our Mutant Proteinase K to only $40/g from today! Please contact us if you are interested. We are looking forward to serving you.

Thanks again for your attention and support!

Sincerely,

SBS Genetech Team