Profil public hytsnm

Vendredi 12 avril 2024

Shell is the mantle of the mollusk. It has a special kind of gland cell, whose secreta can form the calcium compound which can protect its soft body, called shell. The number, shape and structure of the shell are very different. The main component of shell is 95％ calcium carbonate...

Vendredi 20 octobre 2017

Our company is specialized in developing tourmaline products and producing environmental and functional tourmaline nano powder in China. The raw material is purchased from Xinjiang, China and imported from Brazil, Madagascar and Tanzania. We select the best tourmaline, and the tourmaline's...

Vendredi 20 octobre 2017

Negative ion powder is a natural and functional material rich in a variety of trace elements and mineral compositions, and it is produced by a mixture of a variety of natural silicate minerals. The characteristics of the negative ion powder are natural, odorless, non-toxic, safe,...