印度采购需求：金属氧化物块，氧化锌块，避雷器用氧化锌块

We are a manufacturer based in Tamil Nadu specializing in polymer insulators and lightning arresters. Currently, we are exploring options for sourcing Metal Oxide Varistors or Zinc Oxide Blocks for lightning arresters. Specifically, we are interested in a specific size that fits our requirements. Could you please provide us with your best pricing for bulk purchases? Additionally, we would appreciate it if you could send us the technical specifications for the varistors or blocks you're offering. This information is crucial for our evaluation and decision-making process. Thank you!