The ST part of the cable is bayonet style housing with ST fiber optic connector. It is with metal outer body and with a long spring loaded ferrule hold the optical fiber. Good luck for fiber optic manufacturer in china, there are various classification of fiber optic patch cable.
The connector is compliant to IEC, TIA/EIA, NTT and JIS specifications. Meanwhile, it is with one piece construction and pulls proof design. Do you know that SC is low cost but high performance, which makes it one of the most popular cables? Okay, for many of suppliers, they supply the single mode 9/125, multimode 50/125 and multimode 62.5/125 types SC cables. The products are with various PC, UPC, and APC connectors respectively. Our SC cables are available in simplex or duplex versions, with custom design available. Of course, fiber optic cable supplier will get this information too. The features of them are simplex or duplex or multi fiber assemblies; Riser or Plenum rated,, LSZH and RoHS cables available; Low insertion loss, IEC, TIA/EIA, Telcordia compliant; good performance on return loss; Custom fiber optic cable lengths and jacket colors; Various fiber types and wavelengths, typical 9/125 single mode, 50/125 multimode and 62.5/125 multimode 0.9 / 1.8 / 2.0 / 3.0 / mm outer diameter fiber optic cables; PC, UPC, and APC polish types.
Leave your inquiry and I believe every supplier will happy to reply your question in the market of fiber optic adaptor wholesale. That is the business and you have to do it great if you want to make money.