Introducing the Customized Precision Casting of Stainless Steel 304 and 316, utilizing the high-quality Silica Sol Lost Wax Investment Casting process.
Craft | Lost Wax Casting Product |
Available materials | Aluminum, copper, brass, stainless steel, steel, iron, alloy, zinc etc. |
Drawing Formats | PRO/Engineer, Auto CAD(DXF,DWG), Solid Works , UG, CAD / CAM / CAE, PDF,TIFetc. |
Testing Equipment | CMM;Tool microscope;multi-joint arm;Automatic height gauge;Manual heightgauge;Dial gauge;Marble platform;Roughness measurement. |
One stop processing | CNC Turning, Milling parts, Drilling, Auto Lathe, Grinding, EDM wire cutting, SurfaceTreatment, etc. |
Tolerance | +/-0.01mm,100% QC quality inspection before delivery, can provide qualityinspection form. |

PRODUCT INTRODUCTION
At ChengEn, we proudly operate our very own investment casting facility, known as Ningbo Feike Investment Casting Factory. This state-of-the-art establishment allows us to expertly manufacture a diverse range of superior materials, including stainless steel, carbon steel, alloy steel, copper, and aluminum. Our high-quality products are integral to numerous industries, finding applications in building hardware, robust construction machinery, advanced medical equipment, efficient rail transit systems, and innovative new energy buses.
ChengEn is proud to have its own cutting-edge investment casting facility, the Ningbo Feike Investment Casting Factory. We specialize in producing an array of materials such as stainless steel, carbon steel, alloy steel, copper, and aluminum. Our premium products serve a wide range of industries, playing crucial roles in building hardware, construction machinery, sophisticated medical equipment, rail transit, and the forward-thinking sector of new energy buses.

Tolerance | From 0.005mm-0.01mm-0.1mm |
Casting Blank Size/Dimensions | 2 mm-600mm/0.08inch-24inch according to customerrequirement |
Surface Treatment | Shot/sand blast, polishing, Surface passivation, Primer PaintingPowdercoating,ED-Coating, Chromate Plating, zinc-plate,Dacromat coating, FinishPainting. |
Standard or Nonstandard | Nonstandard |
Drawing | 3D Drawing:.step/.stp,2D Drawing: .dwg/ .pdf |
Presicion | Process accuracy:0.005~0.008mm; Position accuracy: 0.01mm |
Casting Size | Max linear size:1200mm,Max diameter size:600mm |
Material | Carbon steel, Low Carbon steel, middle carbon steel,G35,G45WCB, WCAWCC,IS0 340-550.etc.Alloy Carbon steel: G25Cro4, Heat Resistant Steel, etcStainless Steel: Sus 304,304L,316,316L,CF8,CF8M,G.X7CrNiNb1189,etc.OR According to customer requirement. |
Shape | as customized |
Certification | IS09001:2015 |
Package | Standard Carton Or Plastic Tray,Wooden Tray, etc., Can BeCustomized |
Weigh Range | 0.015KG~20KG |
Application | Home Appliance, Building Hardware, automobile& truck, agricultural machinery,shipbuilding,petroleum machinery, construction,valve and pumps, electric machine, hardware, power equipment and so on. |
Deep Processing | CNC Machining/ Lathing/ Miling/ Turning/ Boring/ Drilling! TappingBroaching /Reaming /Grinding/Honing and etc. |
Casting Machine | 200-1200 tons |
Heat Treatment | Normalization ,annealing, quenching and tempering, CaseHardening,Nitriding, Carbon Nitriding, induction Quenching |






ONE-STOP SOLUTIONS OF CASTING & MACHINING
Established in 2010, Ningbo ChengEn Machinery Co., Ltd. is strategically situated in the bustling Jiangshan Town of Yinzhou District in Ningbo City. Our expansive facilities cover an impressive 12,000 square meters, bustling with over 120 highly skilled and seasoned professionals. Our state-of-the-art infrastructure includes two all silica sol casting production lines, achieving a remarkable monthly output of 80 tons. Additionally, we boast 20 advanced five-axis and four-axis machining centers, 40 high-precision CNC lathes, and a suite of other cutting-edge production equipment, setting us apart in the industry.
At Chengen, we pride ourselves on being a premier provider of comprehensive casting and machining solutions. Our unwavering commitment to excellence, innovation, and reliability is reflected in our diverse product applications, spanning construction hardware, machinery, medical equipment, rail transit, and the burgeoning new energy bus sector. Our relentless pursuit of technological advancements and production efficiency empowers us to deliver bespoke, high-quality solutions tailored to our client's unique needs.
Our dedication to excellence is manifested through our continuous investment in advanced technology and equipment, ensuring production efficiency and unparalleled consistency. A rigorous quality control system guarantees that our products meet the highest international standards. We place a strong emphasis on nurturing our team, fostering a positive and innovative work environment that encourages teamwork and creativity. Guided by our core tenets of 'quality first, customer first' and a spirit of 'continuous improvement and innovation,' Cheng'en Machinery Co., Ltd. is eager to collaborate with partners from all sectors, striving for mutual growth and shared success. Join us as we pave the way for a brilliant future together.




We hold quality in the highest esteem, recognizing it as the cornerstone of our production philosophy. Without uncompromising quality, all efforts are mere rhetoric. Therefore, our company prioritizes rigorous product inspection. From the initial assessment of incoming and raw materials, to bi-daily first item checks, comprehensive workshop inspections, random spot checks, and exhaustive full-scale inspections prior to shipment, we leave no stone unturned.
Simultaneously, we conduct specialized tests tailored to specific products, including hardness, tensile strength, and salt spray tests. Our commitment extends to shipping, where we meticulously attach comprehensive product reports, ensuring they surpass your expectations.
Unwavering Quality Control
1) Meticulous assessment of raw materials upon arrival at our factory-Incoming Quality Control (IQC)
2) Detailed verification before initiating the production line.
3) Conduct thorough inspections and routine checks during mass production-In-Process Quality Control (IPQC)
4) Scrutinizing the finished goods-Final Quality Control (FQC)
5) Final examination of goods before dispatch-Outgoing Quality Control (OQC)

FAQ
Q1. Are you a factory or trade company?
A: We proudly operate as a manufacturing factory, equipped with our own state-of-the-art investment casting and machining facilities.
Q2.What products can you make?
A: Our company excels in offering comprehensive procurement services that span the casting and precision machining of carbon steel, stainless steel, and alloy steel. We also specialize in advanced surface treatments, including expert polishing and galvanizing, ensuring a complete service suite for our valued clients.
Q3. How to quote?
A: Upon receiving your detailed sample or precise drawing in CAD/STP/IGS formats, we are committed to providing you with a comprehensive quotation within just 12 hours.
Q4.Do you provide samples?
A: Absolutely, we offer sample quantities ranging from 1 to 100 pieces to facilitate your trial order before committing to mass production. Your satisfaction is our priority.
Q5.How about the packing?
A: We offer both standard and customized packing solutions, tailored to meet your specific requirements, ensuring your order arrives in perfect condition.