印度采购需求：紧固件、石膏板螺丝、SDS螺丝、自攻螺丝、自钻螺丝、刨花板螺丝

I'm interested in procurement details for heat treatment furnaces specifically designed for drywall screw production. I'm looking for a comprehensive understanding of your offerings in this area, including any specifications, available models, and potential customization options. Information on the materials used, heating capacity, and temperature range would be beneficial as well. Additionally, please provide insights on the lead time for manufacturing, any certifications your equipment holds, and after-sales support available. If there are any ongoing promotions or bulk order discounts that apply, I would love to hear about those too. Let's explore how your solutions can meet our production needs efficiently.