印度采购需求：甲基羟乙基纤维素（MHEC），MHEC生产商，MHEC供应商，MHEC工厂，MHEC粉末，高品质MHEC

I'm looking to source Tile Adhesive MHEC powder and VAERDP powder for upcoming projects. We're especially interested in understanding the specifications, quality standards, and available grades of these materials. Additionally, it would be great to know about the pricing, minimum order quantities, and lead times for delivery. If you could provide some detailed information regarding your products, including any relevant certifications or test results, that would be appreciated. Also, we're keen to explore potential bulk purchasing options and any possible discounts for larger orders. Looking forward to your prompt response as we aim to finalize our sourcing decisions soon!