Sand Casting

Our company is a manufacturer of Casting, Aluminum alloy die casting , Zinc alloy die casting ,Magnesium alloy die casting products with abundant experience.

Established in 2009, our factory owns the 150000-square-meter building area, with cold and hot chamber from 40 to 3000 Ton Automated die casting machines.high-precision inspect instruments included in coordinate measuring, hardness tester, salt spray testers etc.; automatic and semi-automatic secondary processing equipments ,such as CNC lathes, drillers, tapping machines, grinders, baking machines, ultrasonic machines, blasting machines etc. Achieved TS16949 and ISO9001 Certificate.

Our company adopts an internal network composed of the advanced ERP information managing system, which enables our enterprise to share resources together. Meanwhile, all the data can be dealt with more efficiently from supplying, production, sale and quality control to management. Design Software like Pro/Engineer, Unigraphics NX, Auto CAD, Solidworks,CATIA etc. is used here. Our company has a professional design team, a mold programming team and an experienced quality control team of talents. We can accept OEM and ODM orders and finish all the procedures from product design, mold opening, casting and die casting,cnc machining ,surface treatment ,assembling &testing ,packing & delivery. Our main products are aluminum casting parts,aluminum die casting parts, zinc die casting parts,magnesium die casting parts etc. They are widely used in industry equipment fittings,medical spare parts, auto parts,furniture hardware, and electronic fittings etc.

Welcome to visit our factory!

Ningbo Grand Machinery Co., Ltd., founded in 2010, specializes in the manufacture of various non-standard and standard metal parts. Products are used in automotive, marine, machinery, medical, infrastructure, furniture, tools, hardware and other fields, mainly exported to the United States, Japan, Italy, Canada, China and other countries.

After nearly ten years of accumulation, the company now has 25 employees. One non-ferrous metal castings workshop equipped with die-casting machine / gravity casting machine / traditional sand-casting process. The other machining workshop equipped with 4-axis/3-axis machining center / drilling machine / grinding machine / milling machine / CNC lathe / tapping machine / hydraulic machine / general lathe, etc. Quality inspection room is equipped with hardness testers / concentricity measuring instruments and other related equipment, and the selection of raw materials until the final packaging is strictly controlled to ensure product quality is correct.

At the same time, the company has established long-term and stable cooperative relations with some ferrous metal foundries and surface treatment plants such as plating and Anodizing, so can provide one-stop service for customers.

Ningbo BoHua mechanical parts Co.,LTD is located in the beautiful coastal city-Ningbo, with convenient sea, air and land transportation,The company covers an area of over 8000 square meters and over ten million RMB of fixed total assets, and is specialized in Aluminium gravity casting and sand casting.

alloy casting and machining process which are regarded as a whole are another characteristics of our company besides all kinds of the toolings being designed and made by ourselves. We can design and make the toolings according to customer's samples or drawings, and produce the samples and finished parts that customers need. The company has the gravity casting machines, shot blasting machines, core shooting machines, heat treatment furnaces, CNC machines and NC lathe etc. In order to make sure the quality of every part, the company also equips the special test equipments such as the spectrum analysis apparatus, CMM, tension tester, hardness apparatus, Leak tester etc.

uses on aluminum alloy casting and manufacturing for more twenty years,possess stable and professional team and perfect management system. The company existing staff has 110 people, the Professional and technical R & D staff has 9 people, the quality management personnel has 8 people among them.

e used in the different industries including Automobile and motorcycle parts, train parts, motor and fan parts, petrochemical parts, air compressor series parts and medical apparatus and instruments part etc. they are sold all over the country and exported to Europe, America and Australia and other markets, and obtain domestic and foreign customers' recognition and praise.

company makes fully use of the technology and talent advantages of the aluminium casting base in NingBo, trying to absorb new technology and processes from outside, improve technology and production efficiency, as much as possible to provide the cheaper prices and better services for customers. At the same time, cooperate with NingBo Technical College and make full use of their R&D capability, enhance company's competitiveness.

me all around the world customers come to visit and negotiate.

Ningbo Tonsin Machinery Industry Inc. is professional manufacturer of investment casting and CNC machining, we formed in 2006 with the merger of Tonsin Machinery and Xiangshan Hengli Foundry & Machine Company. We have now grown to become one of the most professional investment casting manufacturers in material of steel, stainless steel, super alloy, iron and aluminium.

Our castings & products widely used in the food machinery, automotive, valve, pumps, boat & yacht industry and other mechanical & engineering field.

With strong abilities, Tonsin Machinery supplies our clients in one stop service from mold designing, prototype, cast making, machining, polishing and system assembly in our own plant.

In the past ten years, with our persistent purse for product quality, strict manufacturing process control and strong quality assurance capacity, Tonsin Machinery has developed as one of industry leaders in global manufacturing. All our plants are based on ISO9001:2015 control system and all TUV/WCS certificated.

With our strongly working in the past year, we got back good reputation in market, and in order to give better service for our local customers in Europe, we invested our warehouse & machining workshop in Italy from 2018.

Tonsin welcomes the opportunity to handle your complete projects, from raw castings to full machining production. Contact us today and we will help you get the right part at the right time.

Shanghai Kellyder Trading Co.,Ltd is one integrated import and export enterprise of industry and trade.Our main business is to provide comprehensive solution of mechanical and related parts,technical support and one-step service.

Kellyder trading Co.,LTD is based on Changzhou kellyder alloy casting co.,ltd.Our main products including:Aluminium alloy casting parts,Machining parts,Stainless steel parts,Casting iron,Rubber parts,Nylon parts,Fiber glass reinforced plastic parts and hardware etc.

At present, our company is expanding day by day, and our customers are all over the world. With good reputation,We have been trusted by customer at home and abroad.Our business philosophy is:honesty as the foundation, professional as the guarantee, quality for survival, innovation for development.

Our enthusiastic hope:to join hands with you to create a better future!