Дамжуулах хоолойн холболт янз бүрийн төрөл, шинж чанар
Divided into "Limited Pipe Connector" (GRIP), "Compensated Pipe Connector" (FLEX), Dual Card Pipe Connector (GR), Pipe Repair Clamp, Non-Metal Pipe Connector (GLT), гэх мэт. series Folding ring t .