英国采购需求：bs 标准连接器、bs1139 连接器、双连接器、落锻连接器 scaffpld、en74 连接器、固定连接器结构

I'm looking for pressed steel couplers specifically designed for British scaffolding systems. Could you provide details on the available options, including pricing, material specifications, and any relevant certifications? Additionally, please let me know about your lead times for production and delivery, as well as any minimum order quantities. I'm interested in establishing a reliable supply source, so any information on your company's experience in this area would also be appreciated.