Advantage: Raw material is from Top manufacture which promise the high quality. Accurate technology confirm the exact size tolerance. Efficient sales team give you proper proposal. After-sales team offer and support for product guarantee. Quality Control: Our Service： RFQ: Q1: Are you manufacture or Trader A: We are both manufacture and trader Q2: Can you offer sample? A: Sample small one can be offered by free, but buyer should pay the express fee Q3: Can you offer processing service? A: We can offer cutting, drilling, painting, coat powder etc... Q4: What is your advantage on steel? A: We can customize steel structure accoridng to buy's drawings or request. Q5: How about your logistic service? A: we have professional logistic team who has rich experience on shipping, can offer the steady and quality ship line. Warehouse: We have Three big warehouses in Shanghai, Tianjin city which make the buyer easy to collect steel productions in time and in convenience. We can provide steady offer when price change too much on market. Besidese, we have experience on steel exporting, so we are familier on cutting, loading, shipping which make it much easier to purchase from us.