Q1. What is your main product series ? Zhengchen Hardware mainly manufacturer and sell spring plungers, steel ball rollers, knob plungers, buffer bolts, tooth surface screws, adjusting screws, screw bolts, fixing rings, positioning pins, nut washers, locking bolts, etc. Q2. Can I buy only one piece? For products in stock, our minimum MOQ is 1 piece. For customized products, sample fee is required to purchase only 1 product, please consult the sales staff for the sample cost. Q3. When will the goods i purchased be shipped? For products in stock, we generally ship within 1-3 days. For customized products, the production time is 3-15 days, and the salesman will tell you the estimated delivery date when confirming the order with you. Q4. What is your shipping method? How soon can I receive my product? For orders are less than US$50, we usually ship them by international airmail (the whole process can be tracked). The delivery time of airmail shipping to different countries is slightly different. Generally, it takes about 10 days to reach Asian countries, 15-20 days to Europe, North America and Australia, and 25-30 days to other countries. For products with an order higher than USD 50, we usually ship by UPS/FEDEX/DHL, and the delivery time is 5-15 days. You can also choose the higher grade method by making up the price difference. During holidays, peak sales seasons, and bad weather days, packages may be delayed. Q5. I want to customize products, can you help me? You can send samples, pictures, drawings, etc. to our sales staff. After confirming the information, the sales staff will communicate with the engineer and production manager to make the best production plan for you.