Castle International Trade Co., Ltd. is one of the leading enterprise specialized in developing, engineering, manufacturing and exporting mechanical products. We are located in the East of China, Ningbo City which is famous for the second biggest container port in China.Our main products for mechanical products are casting, machining and forging parts, which are used in metallurgy, automobile, chemical, ship and hardware engineering industry. The material includes ferrous metal such as stainless steel, alloy steel, ductile iron, etc and non-ferrous metal such as brass, aluminium, aluminium alloy, zinc alloy. Our products have been sold well all over the world.Castle has strict quality control program. We can hold very tight tolerances to meet the drawings requirement. For each project, we follow below steps. 1.First Article Inspection.2.In-Production Inspection.3.Pre-Shipment Inspection.All inspection reports will be submitted to the clients for approval.Castle have completed inspection and testing equipments.1.Hardness tester.2.Impact strength tester3.Tensile strength tester4.Chemical Composition testerCastle has very strong capacity in designing and engineering. We can offer one stop service for customers. Our engineers are experienced in AutoCAD, UG, Pro/Engineer, Solidworks. No matter you have a sample, or only a concept, we can make the drawing and prototype.Castle International Trade Co., Ltd. vigorously orients itself toward foreign markets and develops cooperation with multinationals. With 8 subordinate companies having all passed ISO9001 quality system authentication, Castle International Trade Co., Ltd. has a strong techincal forces. Making products exporting as the pillar, we implement internationalization strategy by promoting products and collecting advanced overseas technology and clients needs as well.No matter you have a drawing or a sample, or even you only have a concept, send us an email, and we will give you a competitive quotation within 24 hours and finish the order in 30 days!Contact us today for more information.