silica sol process200+ factories verified

We are Siemens' global supplier of hundreds of metal parts. Tianhui Machinery was established in 2007 and is located in Ningbo, China. Specializing in the production of CNC machined parts, investment casting parts, and forged parts. Support OEM custom metal parts. The company has a complete set of foundries and machining plants, advanced CNC machining centers and production equipment, and is equipped with experienced production technical inspectors and three-axis control product quality. Under the premise of ensuring quality, the company optimizes processing technology and reduces production costs, which has won unanimous praise from customers.

Specializing in the manufacturing of steel castings made by lost wax process, lost foam process, shell molding process and machined components, our company is a large-scale professional investment casting foundry with powerful machining capabilities in China. The company integrates precision casting, machining and sheet metal welding, with a total of six factories, four of which are core factories. It can supply over 50, 000 tons of precision castings and various finished cast products annually and the products are mainly exported to Europe, America, Japan and other destinations around the world.

Weifang Boyuan Power Technology Co., Ltd. is founded in 2018, it is located in the beautiful world kite capital - Weifang Anqiu, just 140 kilometers far away from Qingdao port. We mainly produce various kinds of low-pressure casting aluminum alloy parts, the main products include: Blower fan impeller, blower fan, fan blade, centrifugal fan impeller, axial fan impeller, closed impeller, open impeller, single blade, wheel hub, housing, casing and so on. At the same time, our company imported DMG five-axis machining center from German, in order to process the impeller of aluminum alloy and titanium alloy. We also produce many kinds of high temperature alloy lost wax vacuum casting parts, there will be included turbine wheel, nozzle guide vane, turbine blade, nozzle ring...Our products are widely used in superchargers, aero engines, industrial fans, rail transit, heavy mining machinery industry, refrigeration industry, marine engineering industry and so on.

Linyi Kehan Silicon Products Co., Ltd is a high-tech enterprise which is recognized by Shandong Science and Technology Department, which intergrates scientific research, manufacture and sales as a whole. It invested 50million RMB to establish Silica solenterprise with annual production capacity of more 60000 tons and storage capacity of more than 70000 tons. It has became the largest silica sol production base in northern China, and is also the only manufacturer of silica sol producted by two processes with silicon hydrolysis and ion exchange method.

Great Uniontech is a professional paper chemical solution provider. We are committed to providing high-quality products and comprehensive solutions for the paper industry.

Qingdao hengze silica gel products Co., Ltd was established in 2014. We have been dedicating to the research, development, production, sale and service of silica gel products for more than 10 years. We are located in the port city Qingdao with convenient transportation access. Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction. Our products are sold to all over the world: South and North America, Latin America, Europe, Asia, African and Middle East countries.

FJ Industries (Ningbo) Machinery Co., Ltd. is a 100% Danish-owned enterprise that has been rooted in China since 2007. FJ Industries is a Danish privately owned company established in 1943. We have manufactured casted and machined metal components since 2006 and powder metal products since 1985. We have customers from all around the world, which all have high requirements for quality, precision and uniformity. We tailor make the solution for each individual project, and due to efficient processes, we can deliver both small and medium size series at competitive prices. Besides our headquarters in Denmark, our organization consists of production units in Sweden and China. Our three manufacturing locations produce components for industrial segments like care, pumps, robots, intelligent buildings and automotive. All three locations are IATF 16949 certified.  European quality, Chinese price. One-stop Solution for Metal PartsHelp clients choose cost-effective processes. Production site: China/DenmarkCore Strengths 1. Quality & Cost     Full Supply Chain Control: We own and operate a 100% in-house machining facility in Ningbo, collaborating only with audited, trusted suppliers for raw castings. Raw materials undergo strict pre-processing testing, and finished products are re-inspected (via Zeiss Accura 2 CMM, 100% automatic thread checkers, 100% leakage testers, and in-house material lab) before shipment-ensuring consistent European-quality output.      Lean Production: Our engineering team co-develops optimal serial production setups, aligning with automotive industry standards (TFC, APQP, PPAP) to balance high process capability and cost efficiency.  2.  Comprehensive One-Stop Solution for metal parts    Our "one-stop solution" combines six core manufacturing processes with proactive pre-project design optimization for customers,  supporting the shortening of the entire component development and production cycle.      Sand Casting: Offers both automatic casting lines (for high-volume, consistent production of ductile iron-including SiMo grades-and grey cast iron parts) and manual casting lines (for small-batch, custom-shaped components), ensuring flexibility for different order scales.       Precision Casting (Investment/Lost Wax Casting): Specializes in complex, near-net-shape parts with minimal material waste, supporting both ferritic and austenitic stainless steel grades.       Forging: Provides forged components for high-strength applications especially for stainless steel material, leveraging trusted local forging partners audited to our European quality standards.       Cold Drawing (Stainless Steel): Delivers cold-drawn stainless steel parts (e. g., fuel rail brackets) with tight dimensional tolerance and smooth surface finish, ideal for components requiring high accuracy.       CNC Machining: Our Ningbo facility houses 35 CNC 4-axis machining centers, 34 CNC turning machines-handling medium-to-high-volume machining of steel, stainless steel, and cast iron parts to meet tight precision requirements.       Powder Metallurgy: Supplies powder metallurgy components (e. g., small, complex structural parts) for weight-sensitive or high-wear applications, complementing our casting and machining capabilities. 3. Reliable Delivery      Dual-Location Support: For European customers, finished products are shipped via our Denmark warehouse (ensuring short lead times); Domestic customers benefit from direct Ningbo-based support for fast responsiveness to design changes or new requests. 4. Material Range (per DIN Standards)      We produce components for automotive and industrial sectors using: Austenitic stainless steel: 1.4301, 1.4308, 1.4401, 1.4848Ferritic stainless steel: 1.4016, 1.4509, 1.4512, 1.4526Carbon steel: S235JR, S355J2, etc. Alloy steel: 20Mn, 42CrMo, EtcIron: Grey iron, Ductile iron, SiMo grades, ADI. 5. IATF 16949 certification / ISO 9001 / 14001 

Shenyang New Densen Casting and Forging Co., Ltd., the export sales company of Shenyang Densen Group of Companies (which including 8 own foundry, forging factory and machining factories) and its more than 15 sub-contractors.

Ruichi Metal Products (Dalian) Co., Ltd. is a comprehensive hardware manufacturer integrating R&D, production, and sales. We focus on providing high-quality OEM metal parts customization services to global customers. We have developed into a benchmark metal manufacturing enterprise with sophisticated technology, strong production capacity, and global service capabilities. Our stable product quality and efficient cost control have won the trust of global markets such as Europe, America, Japan, and South Korea.

ULAS is capable of meeting material specifications according to ASTM, SAE, AISI, ACI, DIN, EN, ISO and GB standards. We focus on more than 100 different ferrous and non-ferrous alloys. Dimensionally and geometrically complex investment castings are produced under the drawing, minimizing the need for secondary machining.

OBT Group has specialized in the production of casting, CNC machining, forging titanium alloy, superalloy, brass products and one-stop technical solutions for more than 20 years.

Beijing RUBBLE TECHNOLOGY Co., Ltd. is one of the leading castings and forgings manufacture in China. Our company has our own fabrication workshop and foundry of 25, 000 square meters. More than 180 workers are working here, including 15 technicians and engineers, we have the capacity which about electric cabinet, Carbon sulfur analyzer, Metallographic cutting machine, hardness tester, Brook spectrometer, Middle Frequency Furnace, forming machine, Foaming Machine, Full automatic cutting machine and so on. We have been in this industry for over 7 years and 15years work experience.

Zibo Aotai New Material Technology Co., Ltd. is located in the High-tech Zone of Zibo City, Shandong Province, China. It is the hometown of PU Songling-the king of short stories in the world, with superior geographical location and convenient transportation. Our company is a scientific and technological enterprise integrating R& D, production and sales. The main products are Aluminum Hydroxide, Calcined Alumina, Activated Alumina. Based on our corporate culture principle of "honesty and trustworthiness, unity and mutual assistance, mutual benefit ", the company wholeheartedly provides customers with the best quality products and services.

Take the China quality to overseas, bring Created in China to the world. Driven by this firm belief, Baoding Longway Trading Co., Ltd was founded in 2014 as a professional machinery metal parts manufacturer & exporter.

Ningbo Nathan Machinery Co., Ltd. (Renyi Casting) is a professional OEM manufacturer, established in 2005, specializing in the supply of die casting, lost wax casting, sand casting, precision machining and metal products. We supply raw casting to final finish product. We use tried and tested casting suppliers, but perform all secondary machining and QC operations in-house.

Foshan Zeren Precision Casting Co., Ltd. is founded in 2009, with a precision casting plant and a mechanical processing plant, located at Foshan, Guangdong, China.

Qingdao Xinghe Machinery Co., Ltd. Jointly manufactures and exports a variety of casting products for architectural, automotive, mechanical parts. We export to more than 20 countries on 6 continents and have been doing so for more than 10 years.

Qingdao Tianluping Metal Products Co., Ltd. is located in the west coast of beautiful port city - Qingdao, where there are elegant scenery and limitless business chances. It is close to the freight port, and airport, enjoying very convenient transportation. We are researching and producing all kinds of stainless steel casting and carbon steel casting with higher quality and we are able to produce thousands of dimensions of casting products every year. We manufacture as per international material standards, such as GB, ASTM, AISI, DIN, JIS, and BS. We also carry out strict quality management system. Our markets are America, Germany, France, Italy, Israel, Netherlands and Japan.

Gaomi Huading precise metals Co., Ltd., founded in 1996, is amodern production enterprises combined scientific research, casting production and processing. It is formerly known as Gaomi Jieli machinery Technology Co., Ltd. The company is committed to the design, development, production, sales and after-sales for mechanical parts. Hua ding is insisted on the management faith of "technology for the development, quality win market", and provides advanced manufacturing system and technology, which made us establish solid relationship with large auto accessories companies and machinery companies. Our products are exported to 20 countries such as the Middle East, Europe and the United States, South America and Southeast Asia. In 2010, we successfully passed the quality management system certification (ISO9001: 2015). Quality management mode made the production process and quality management standardized, which more effectively ensures the stability of product quality and accuracy of delivery time.

Weitai Machinery: Custom Precision Component direct Factory

Wudi Kefeng Stainless Steel Products Co., Ltd. is located in Wudi County, Shandong, a coastal city adjacent to beautiful Bohai Sea. As a comprehensive enterprise integrating the design, production, processing and marketing of stainless steel products, the company owns new silica sol precision casting production lines, high precision CNC machines, and matching production equipment, with an annual production value of RMB 50 million.

Welcome to Ningbo Ainochuanglian Technology Co., Ltd. In terms of casting business, our craftsmanship is superb. Sand casting can meet the requirements of complex structure castings, lost foam casting enables nearly zero waste production, and investment casting focuses on precise and complex castings. For materials such as gray cast iron, ductile iron, cast steel, and aluminum alloys, our casting techniques are mature and stable. Our products are widely used in the automotive, mechanical, aerospace, and energy industries, and have won market recognition with their excellent quality.

QINGDAO HILIEN MACHINERY Co., Ltd., engaged in supplying metal components for automobile, agriculture machinery, offshore spare parts, construction machinery and other industries since 1990's. To improve our competitive in the market, we have invested in three factories, covering process of die casting, investment casting and precision machining.

Dalian Doopool Metal Co., Ltd. Is a production and sales all kinds of cast iron cast steel products, such as fittings, auto parts, construction machinery, agricultural machinery parts, mining machinery parts, industrial pump bodies, valves and accessories professional castings.

Zhejiang Parkson Water Industry Equipment Stock Co., Ltd, established in 2006, is a national high-tech enterprise headquartered in Hangzhou, which is a group company integrating design and development, casting, machining and surface treatment. Its business spans multiple sectors including design and development, casting, machining, and surface treatment, forming a comprehensive industrial chain. The core products mainly include precision castings, pipe fittings, and sealing rings, which are widely used in the global precision casting industry.

Established in 1995, Ningbo Yinzhou Hisea Machinery Co., Ltd. Has morden and advanced CNC machining capibility, casting factories, forging workshops and stamping factories, including other capacibilities, such as welding, laser cutting, metal fabrication, CNC Turning and CNC Milling and molds development. 3, 4, 5, 6 and 7-axis precision CNC machining services for aluminum, brass, copper, steel, titanium, ABS, PEEK, PVC, PVDF, polyethylene, polystyrene, graphite, polyester and wood. Also have Capabilities include EDM, hole popping, drilling, boring, threading, tapping, knurling, broaching, counterboring, countersinking, profiling, reaming, parting, cutting and facing. Prototype and low to high volume production offered.

Yistar is a professional O E M/O D M manufacturer, which is located in Xiamen, hasmany years experience in CNC machining, C N C turning, C N C milling, multi-spindle machining, sheet metal fabrication, laser cutting, metal stamping, tube bending, metal casting, plastic injection molding. We can make OEM products according to your drawings or samples. Professional Design Team, Efficient Communication, Mature Quality Inspection System, Flexible Shipping Plans to meet the high standards of top-tier customers.

SinoBlong Machinery Co. Ltd. located in Qingdao, the third largest seaport of China. We are specialized in different kinds of OEM customized metal parts with more than 14 years exporting and production experience.

Shandong Chengshuo Metal Products Co., Ltd.

We have two companies under our umbrella. The first one is Ningbo Yinzhou Yunlong Xingxing Machinery Factory, established in 1993, located in Ningbo. This factory is a professional mechanical processing facility specializing in various manufacturing processes. In 2016, we expanded by establishing Ningbo Jixing Machinery Manufacturing Co., Ltd. To meet the growing demand for business development and international exports.