With strong R&D strength and production capabilities, JM Hardware now has become a professional manufacturer and reliable supplier in the industry. All our products including self drilling screw are manufactured based on the strict quality management system and international standards. self drilling screw We have been investing a lot in the product R&D, which turns out to be effective that we have developed self drilling screw. Relying on our innovative and hard-working staff, we guarantee that we offer customers the best products, the most favorable prices, and the most comprehensive services as well. Welcome to contact us if you have any questions.Shanghai Jian & Mei Industry and Trade Co., Ltd has high technical level and strong R&D capabilities for self drilling screw.