刚果采购需求：API 6A节流阀、API 6A板式闸阀、冲击震击器、Cameron FC闸阀手册、套管刷、节流和压井歧管

I'm looking to source low torque valves for an upcoming project. Could you provide details on your available options, including specifications, pricing, and lead times? I'm particularly interested in understanding the range of torque ratings and any customization options you might offer. Additionally, please let me know about any certifications or standards your products meet, as well as bulk order discounts. It's important for us to ensure compatibility with our existing systems, so any relevant technical information would be appreciated. Looking forward to your prompt response!