南非采购需求：鲍尔环、拉西环、规整填料、陶瓷球、活性氧化铝、随机塔填料

I'm interested in sourcing a supply of metal pall rings made from stainless steel. Specifically, I need them to have a diameter of 50mm. My business is based in South Africa, and I am looking for a reliable supplier who can meet our requirements. Could you please provide me with pertinent details regarding your pricing, minimum order quantities, and lead times? Additionally, any information on packaging and shipping options to South Africa would be greatly appreciated. I'm keen to understand your capabilities and how we can establish a successful partnership moving forward. Looking forward to your prompt response.