HOOK: Looking for a reliable screwdriver bits kit manufacturer? This 15-second factory tour shows you exactly how Yongjia Tools produces high-quality bits and backs them with OEM/ODM services and after-sales support. BODY: In this video, you'll see our 45,000 m² facility in Ningbo, China, where 450 employees and 25 engineers produce 18 million units annually. We specialize in hex keys, staple guns, precision screwdriver sets, impact driver bit sets, and more—exporting 95% to the EU, USA, Southeast Asia, and South America. Our products meet CE and GS standards, including TÜV Rheinland certifications for staple guns and hex keys. Q: How are screwdriver bits kits manufactured at Yongjia Tools? A: Yongjia Tools manufactures screwdriver bits kits using CR-V 6150 steel with hardness HRC 52-55, ensuring torque up to 220N for size 10.0. Our 25-engineer R&D team oversees production in a 45,000 m² factory, delivering 18 million units annually with CE and GS certifications for European markets. CTA: Ready to discuss your OEM project? Contact PETER at yjtcl@yj-tools.com or WhatsApp +86 133-9661-6513. Follow for more factory insights! #FactoryTour #ScrewdriverBits #OEM #HandTools #Manufacturing #B2B #YongjiaTools #HexKey #ImpactDriver #ToolKit #WholesaleTools