天天看天天摸天天操,偷偷操不一样的久久,夜间福利在线观看,偷窥自拍欧美,欧美香蕉爽爽人人爽观看猫咪,国产视频手机在线,国产痴汉

Hello, welcome to BCC Inc.
CN 400-016-9000

Create quality products, build excellent brands

Product certification refers to the activity of certifying by a third-party certification body that can be fully trusted that an identified product conforms to a specific standard or other technical specifications.

 

Selenium rich product certification

Selenium-rich products refer to products whose production and processing processes meet the requirements of relevant standards and whose selenium content meets the requirements of relevant national or industry standards after biological absorption and transformation of selenium. Selenium-rich products include selenium-rich agricultural products and selenium-rich food.

Selenium-rich agriculture refers to the agricultural production mode that uses agricultural products as carrier, uses crops or livestock to carry out selenium biotransformation, and the selenium content in the products reaches the relevant standards of selenium-rich agricultural products.

Selenium rich food, is rich in trace element selenium food. (BCC only makes naturally selenium-rich food, that is, food raw materials are selenium-rich raw materials)