Cast Iron Manhole Covers/Locking Manhole Covers for Industrial Drain
1. ISO9001-2008.
2. Has advanced euipment and over 15 years experience.
3. Price: Competetive price, Precision made. Experience & Reasonable QC that you can reply on.
4. Process: Precision made. Experience & Reasonable QC that you can reply on Each part would be given 100% test and tryout before shipment.
5. Adequate supply capacity. Punctual delivery time.
6. Product Name: Investment Casting / Precision Casting Parts / ball Valves / stainless steel sand casting parts / machinery parts / CNC machining parts, Steel Investment Casting / lost wax / casting / die casting
7. Progress of precision casting: Investment casting
8. Precision Casting materials: Stainless steel, Carbon steel, iron steel, alloy
9. We can do different kinds of surface treatment after casting, such as machining, polishing, and plating
10. All sorts of precision casting parts: Marine casting parts, auto parts, machinary casting parts, pump parts, hardware parts
1.Ductile Iron Castings:
1)molding process: Resin sand/Green Sand
2)Material: EN-GJS-400-15/EN-GJS-500-7/EN-GJS-600-3/EN-GJS-700-2
3)Molding: Hand molding/Molding machine Z145/146/148/Molding line.
4)Possible Heat Treatment: Annealing
5)Industry involved: Municipal Construction / Fluid
/Automotive
6)Part unit weight range: 0. 5kg-2000kgs
7)Max/Min wall thickness requirements: 4mm-250mm
8)Manufacturer Certification: ISO9001(2000)/ TS16949
2. Grey iron castings:
1) molding process: Green sand/Resin sand
2) Material: EN-GJL-150/DIN 1691 GG-15,EN-GJL-200/DIN 1691-GG20,EN-GJL-250/DIN1691-GG25
,EN-GJL-300/DIN1691-GG30
3) Molding: Hand molding/ Molding machine Z145/146/148/Molding line.
4) Industry involved: Municipal industry/Construction Fluid industry/Automotive industry
5) Part unit weight range: 0.5kg-2000kgs
6) Max/Min wall thickness requirements: 4mm
7) Manufacturer Certification: ISO9001(2000)/ TS16949
Our Services
Design - Manufacture - Sale - Service
Any sizes and types of Cast Iron manhole covers / gratings can be customized.
Product Quality:
Service life: 30 years . (We guarantee that our manhole covers won't break and out of shape after 30 million times roller
compaction. ) High strength, high elongation and high corrosion resistance's ductile cast iron be used as the raw material
for making manhole covers. Its strength is much higher than No.45 superior carbon steel, 3~5 times higher than common
cast iron covers. 10~30 times higher than cement, resin, steel fiber and so on.
1. Manhole cover and road grate sample can be sent.
2. Customer marking acceptable
3. AutoCAD design
4.As the independent thrid part to check the product for oversea customer and supply the lawfull product quality report.
5.execute the BS EN 124 standard to promise the customer's product quality.
Please contact us for more information:
All the pattern or words on the surface of manhole cover you need, we can manufacture it for you.I represent all my company members welcome every golbal friends to visit our company for our more development and good bussiness with you.
Packaging & Shipping
Standard export packaging. Client's suggestions can be accepted.
Description: | China large sand casting products/parts manufacturer |
| Main equipments | 6 CNC machining centers, 22 CNC turnings,1Robot welding
1 broacher, 3 resin moldings, HB tester, HRC tester, Roughness tester, Thickness tester, Projector, etc |
| Material capability | 1.Carbon steel, alloy steel, stainless steel
2.Aluminum alloy, brass, bronze
3.Grey iron, ductile iron
4.Plastic: abs, pp, pa, etc |
| Main processes | Machining, Forging, Casting, Welding, Bending, Stamping, Injection |
| Surface treatment | Zinc plate, chrome plate, polishing, paint, powder coat, shot blast, sand blast, phosphating, grinding |
| Main advantages | 1.Manufacturer with established supply partners
2.One-stop service to make your sourcing easy
3.Powerful technical capability
4.Professional and reasonable pricing
5.100%quality guarantee: incoming inspection, 100% key dimension check, tour check, spot check, appearance inspection at packing
6.Very easy to deal with and aim to establish long-term and growing business |
| Service | OEM, ODM, Assembly, etc |
| Shipping term | FOB, CIF, CFR |
| Lead time | In-time, photos for actual status |
| Payment term | Normally, 30%deposit 70% when parts are ready; Negotiable |
| Item: Drain,Grating,Manhole Cover |
| Materail:Cast Gray Iron,Ductile Iron |
| Shape:Round,Square,Rectangle,and Triangle |
| Process:Drawing-mould making-raw casting-sand blasting-rough machining-surface treatment-product inspection |
| Size range 200mm to 1200mm,Weight range 7kgs-154kgs |
| Surface treatment:Spray coated,Epoxy,Painted,Enamel etc. |
| Certificate:ISO9001:2000,SGS |
| Class:A15,B125,C250,D400,E600,F900 |
1. Q: Why choose Shengao product?
A: We shengao have our own plant-- Weifang Shengao machinery Co., Ltd, therefore, we can surely promise the quality of every product and provide you comparable price.
2. Q: Do you provide OEM Service?
A: Yes, we provide OEM Service.
3. Q: Do you provide customized MANHOLE COVER?
A: Yes. Customers give us drawings and specifications, and we will manufact accordingly.
4. Q: What is your payment term?
A: We provide kinds of payment terms such as L/C, T/T, Paypal, Escrow, etc.
WeiFang Shengao Machinery Co., Ltd is located in WeiFang the famous city in China and the world center of kites. It is 140 kilometers far away from Qingdao port, the transporation is very convenient. Our company use the location advantages of ShanDong province to integrate resources so that we can processing according to the drawings of customers. We mainly undertake the casting parts, machined parts and other products. Our Import and Export Department have many years experiences of foreign trade, products are mainly exported to the United States, Denmark, Italy, Russia, Australia etc.
Over the years, company adhere to the guideline for management of "Quality first, Reputation first, Delivery just-in-time, Price best". We will try our best to improve the technical level and perfect the enterprise management. Our company will depend on superior quality of products and sincere service to cooperate with dometic and overseas, new and old customers and establish eternal friendship to create a bright future.
