The general situation at home many lines of the installation will be used just to set the next look, a small product has brought us great convenience, the line is required to pin the line card to be fixed. Pin line card belongs to a plastic products, Huada is specialized in the production of a plastic products. Its flexibility is very large, not the kind of crunchy plastic, so it is very durable. And the use is very convenient and the cost is lower, so pin line card in life is very popular. Pin line cards are generally used in wood, brick, cement mortar and other materials, not only commonly used in life and in places such as large-scale construction is also very much used. Due to the very large market for pinned line cards, there are also many manufacturers of pinned line cards in the market, and the types of the steel ingot are also very large. Let's briefly review the classification of pinned line cards for everyone The purchase of a little reference. Mainly talk about several kinds of pin line card is mainly used in what place.