1.Are you trading company or manufacturer?We are professional manufacturer of fastener products with more than 20 years experience.2.What products can you provide?Various fasteners likeBolts/ Screws/ Washers/ Keys/ Studs/ Rods and some other customized parts, material cover carbon steel/ Stainless steel/ Alloy steel etc.3.How do you control quality?We have a complete inspection process from raw material to finished products, there is also a well-equipped laboratory to guarantee product quality and safety.4.What is your payment term?We advise 30% TT in advance, 70% balance before shipment.5.What is your delivery time?For most regular model we have it in stock, so general delivery time is about 10-15 days,for bulk and customized orders, delivery time is to be negotiated.