The type and name of zipper is given on the basis of the material used in zipper teeth.拉链类型主要由拉链牙的材质决定
Teeth size is expressed by #3-#10 and onwards. #3 representing smaller size teeth and #10 the larger. 牙的尺寸通常是3号-10号，数字越小，尺寸越小。
♂ PZ: Plastic zipper 塑料拉链
♂ CZ: Polyester zipper, coil zipper (previously known as Nylon zipper) 聚酯拉链，尼龙拉链
♂ MZ: Metal zipper 金属拉链
G.K. : Antique Brass Zipper 古铜
G.B. : Golden Brass Zipper 金色 铜
AL : Aluminium Zipper 铝
NI : Nickel Zipper 镍牙
2. FUNCTION :功能
O (O/E) : OPEN-END 开尾拉链
C (C/E) : CLOSED-END 闭尾拉链
M (2WAY) : 2WAY OPEN END 双向拉链
Example :
♂ PZC#5 : Plastic zipper no. 5, closed-end
♂ PZM#8 : Plastic zipper no. 8, 2way open-end
♂ GKO#5 : Metal, Antique Brass no. 5, open-end
Open-end zippers are generally used in the front of garments Closed-ends in pockets, hoods, legs of garments 开尾拉链通常用在衣服的前面，而闭尾的则用在口袋、帽子或是裤子的腿部
