OEM Custom Grey Cast Iron Sand Casting Parts

• Customization: Available
• Type: Gray Cast Iron Casting
• Casting Method: pressure Crystallization
• Model NO.: Customized
• Sand Core Type: Sodium Silicate Sand Core
• Application: Instrument Accessories
• Machining: CNC Machining
• Material: Iron
• Surface Treatment: Sand Blast
• Surface Roughness: Ra0.8
• Standard: GB
• Certification: IATF 16949, ISO 9001,ISO 14001,ISO 45001
• Forging Service: Available
• Lead Time: 35-40days
• Forging Product Weight: 0.1kg - 50kg
• Quality Control: 100% Inspection
• Service: One Stop Service of Forgining and Machining
• Transport Package: Customized Pallet Case
• Specification: Customized
• Trademark: CT
• Origin: Longyan, China
• Production Capacity: 20000tons/Year

Product Description

Company Profile

Introduction

Longyan Changtong Machinery Equipment Co., Ltd. established in 2014, is a professional manufacturer specializing in the production of automotive parts and engineering machinery components. In 2020, the company founded Fujian Jinshang Machinery Co., Ltd., which operates a state-of-the-art production facility spanning 26,000 square meters.

 

The company has built an integrated manufacturing system capable of producing forging blanks, semi-finished, and finished components for the automotive, agricultural machinery, and hydraulic industries. Its advanced production capabilities include precision forging lines with capacities of 630T, 1000T, and 1600T, over 100 machining centers, high-performance turning and milling equipment, and automated lathe systems.

Committed to precision manufacturing, the company is equipped with comprehensive testing instrumentation, including coordinate measuring machines and spectrometers, and utilizes Pro-E and CAD/CAM software for product design and development. Supported by automatic medium-frequency heating systems and CNC machining centers, it can achieve a new product development cycle as short as three weeks.

 

With a highly skilled technical team and a robust quality management system, the company has obtained ISO9001, ISO14001, ISO45001, and IATF16949 certifications. Guided by the principles of "survival through quality, growth through reputation" and "customer satisfaction as our benchmark," Longyan Changtong is dedicated to delivering high-quality products and exceptional service to clients worldwide.

Material Capabilities	Carbon steel: 1020,1020,1035,1045,1055,Q235,Q345 etc., Alloy steel: 40Cr, 20CrMnTi, 20CrNiMo,35CrMn,42CrMo4 etc., Stainless steel:SS304,SS316 etc.
Forging Product Weight	0.1kg - 50kg
Applicable Heat Treament	Normalization , quenching and tempering, Case Hardening, Nitriding, Carbon Nitriding,
Process	Hot- Forging/Cold- Forging/Drop- Forging/Open-Die- Forging
Machining Capabilities	CNC turning/milling/drilling/grinding/assembly to Packing
Machinery Tolerance	0.01mm
Surface Finish	Chrome plating/sandblastin/painting/anodizing/powdercoating/electrophoresis etc
Forging Machine	630T, 1000T, 1600T, 1800T planning.
Application	Automotive parts / Agricultural machinery parts/mechanical equipments / Automation machine/medical device/industrial machine /automobile/electric appliance/and other industries etc.

Quality Control

System Certification

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