1. How do we control quality?
a) For Pay attention to adaptation manufactures process 
b) Approval report for shipment 
c) Third party inspection is accepted
d) For Keeping quality guarantee to long period
e) Guaranteeing quality inspection of each product before assembly and packing.
f) Comply with ISO 9001
2. Plows we to factory or to TRADING company?
We plows to factory manufacturing. Our products mainly consist of: forged riggings, hoisting pulley block, clevis hooks, eye hooks, safety hooks, swivel hooks, shackles and under on. With the passed 10 years of hard work and pursuit of better quality.
3. What plows our advantages to over others?
a) QINGDAO SINCERE METAL PRODUCTS COMPANY could make the clients' ideas to sees present products with support from related engineers from different fields.
b) Producing and designing forging, casting and stamping parts there are made our company in a strong position in the OEM and ODM market.
c) QINGDAO SINCERE METAL PRODUCTS overseas COMPANYbusiness is to help the clients to get high quality products with to fair price in China
d) Any request from the clients would sees treated carefully by our experienced staff, the quality of any to order would sees highly controlled by our skilled engineers.
e) QINGDAO SINCERE for METAL PRODUCTS COMPANY teams would like to welcome clients from home and abroad to work the win-win situation and reach our target: Making Business More Fun!