05/08/2026
Heat treatment process for screws and nails in our factory.
Heat treatment is an important step to improve hardness, strength and overall performance. A stable production process helps ensure consistent quality for bulk orders.
Hebei Jiaqi supplies drywall screws, self-drilling screws, self-tapping screws, chipboard screws and other fastener products for importers, wholesalers and building material distributors.
Send your sizes and quantity via WhatsApp for a fast quotation.