Sunny Zhao's Page

Tyre life with many factors, such as weather, road, driving style, installation, maintenance and so on. From the international rules, if the tyre is normal, tyre wear to 1.6 mm tread depth…

Hair Direction is the hair style for hair replacement system. There are 11 kinds of different hair styles during procedure. Please find the explanation below:



A. Left crown, right crown and center crown

The hair departs from the crown. Some customers require small crown, the crown can be made in heavier…

Customers who buy toupees always would like a natural looking toupee. In other words, they want the toupee looks like real hair instead of looking fake. Especially on the front hairline, they don't hope any knots. Usually, lace and pu (thin skin ) are most used base material for…

Nonionic polyacrylamide is water-soluble polymer or polyelectrolyte. Due to its molecular chain contains a certain number of polar groups, it can through the adsorption of solid particles suspended in water, make the bridge between particles or by charge neutralization condensed to form large floc particles. So, it can…