印度采购需求：纤维素醚制造商、供应商、羟丙基甲基纤维素、Hpmc、纤维素醚、甲基纤维素

I'm interested in exploring a range of concrete admixtures for an upcoming project. Specifically, I'm looking for products that enhance workability, durability, and strength of concrete. If you have various formulations, I'd love to see your options and any relevant specifications. Additionally, please provide information on pricing, minimum order quantities, and lead times for delivery. It would also be helpful to understand any certifications or testing results your products have. Looking forward to your detailed reply!