Specifications
1. Brass casting, Copper casting, Bronze casting.
2. Material: Brass, Copper, bronze
3. Sand casting processed
4. Weight: 10g-50kg.
Material we can work on:
Aluminium: ASTM 380, 2017, 2011, 2024, 5052, 5053, 5056, 6013, 6061, 6063, 6082, 7075 etc
Stainless steel: AISI 302, 303, 304, 316, 316L, 416, 430F, 440, 630, 17-4PH etc
Carbon steel: AISI 1008, 1010.1015, 1030, 1045, 1060, 12L14, 1144, 4140, 4130 etc
Brass
Copper
Bronze
Iron
Zinc alloy etc
Finish we can provide:
Black anodize, Clear anodize, Hard anodize, Natural oxidation, Black oxidation, hot galvanized
Plating: Zinc, Nickel, Silver, Tin, chrome, gold,
Sand blasting.
Polishing
Painting
Heat treatment
Equipments:
For castings: Medium frequency induction furnace, coal furnace, sand blaster machine, wax injection machine, Heat treatment machine, Gravity casting machine, Die casting machine etc
For machining parts: Machining center, CNC lathes, Auto lathe, Normal lathe, Drilling machine, Polishing machine, grind machine etc
Inspection equipments:
Spectrum analysis instrument, metallurgical analysis, tensile strength tester, hardness tester, Roughness tester, deflection tester impact test machine, projector, Altimeter, Scale Micrometer etc.
We can also make:
Lost wax bronze casting
Our Process involves sand casting, shell molding, and low pressure die casting. Material optional from GB/ASTM/ANSI/BS/DIN/NF standards. Customized products include receptor for lab, and ground floor for municipal industry. ISO9001: 2000 certified.
1) Molding Process: Lost wax precision casting,
Shell casting, Permanent mold Gravity die casting, Die castings(High pressure/Low pressure), sand casting
Extrusion/Squeeze casting ( for profiled bar).
2) Material: GB ZL101A/ASTM A356/ISO AL-Si7Mg/
GB ZL112Y/ASTM 380/ISO AL-Si8Cu3Fe/
3) Industry involved: Automotive industry
4) Part Unit Weight range: From 100g up to 100kgs.
5) Representative Product: Support fittings/Pump/Engine parts
6) Manufacturer certification: ISO9001 (2000) /TS16949
1) Molding Process: Die castings via warm chamber die casting machine
2) Material: GB ZZnAL4/GD-ZnAL4/
GB ZZnAL4-1/GD-ZnAL4Cu1/
3) Industry involved: Construction industry
4) Part Unit Weight range: From 3g/pc up to 100kgs/pc.
Most suitable weight around 0.5kgs per pc.
5) Representative Product: Hardware for windows and door, Expansion bolts
6) Manufacturer certification: ISO9001 (2000)
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.
Thanks to our experienced engineering team, skilled production operatives and strong relationship with key local sub-contractors, our company supplies a unique blend of manufacturing services to provide complete
Products to customers all over the world.
We are accredited to ISO 9001: 2008 quality management system through NQA, a UKAS recognized auditor. Our shop floor operate 5S methodology.
Our key advantage over other is our attitude toward quality. We know what's right, and not what just good enough. This is reflected in our quick response, technical analyze of drawings, proactive approach in passing on our production experience to help clients reduce cost and improve designs.
All in all, we aim to supply competitively priced quality products, with the aim of creating a long lasting cooperation for mutual benefit.
