Disposal exchange group, dishwashing technology answers, seeking detergent formula, and seeking the proportion of detergents of detergent
Dissairement of detergent, car washing solution, hand -washing solution. There are many places who do not understand the place and hope to teach each other, plus my QQ 287801813 or group 118400080 (Benn is a technical exchange group)
Xi'an badminton QQ group
Who knows Xi'an badminton QQ group? Send a few