俄罗斯采购需求：L-硒代蛋氨酸、硫酸铜、硫酸锰、DMPT（二甲基-β-丙酰辅酶A）、甘氨酸螯合矿物系列、氨基酸系列

We are currently seeking a reliable supplier for potassium chloride (powder) KCl for use in our drilling fluids during well construction. As a representative of a Russian company, we are interested in exploring potential collaboration opportunities and would appreciate a detailed commercial proposal that outlines pricing, minimum order quantities, and any bulk order discounts you may offer. Additionally, please confirm which ports are available for container shipping and any relevant lead times associated with the fulfillment of our order. Understanding these logistics will help us plan effectively for our upcoming projects. Looking forward to your prompt response with the requested information.