Machined Carbon Steel Valve Stem Assembly

• Certification: ISO, SGS
• Surface Treatment: Nickel Plating
• Application: Globe Valve
• Material: Stainless Steel
• Trademark: changjin
• Origin: Qingdao, China
• Model NO.: Stem Connector
• Production Capacity: 10000ea

Product Description

Product Description

Material	SS304,SS316,SCM440,SS41,S45C,AL6061,BRASS
Mould features	Advanced design,   Logical structure,   High precision,   Qualified materials, Long lifetime, Short delivery time.
Standard	ASTM&JIS&BSW&ANSI&GB&DIN
Certificate	ISO9001,ISO14001,ISO45001,SGS
Tolerance	>0-6:±0.1;>6-30:±0.2;>30-120:±0.3;>120:±0.5
Dimension	As per customers' request

Processing	Step1: structural section Step2: CNC turning, CNC turning and milling compound processing, 3/4/5 axis CNC milling, drilling, wire-cutting, EDM, grinding etc. Step3: Surface treatment
Surface	Anodize, Plating, Brushing, Polishing, Blackened, Powder coating, Sandblasting, Laser engraving, ED- Coating, Chromate Plating, Zinc Plating, Dacromat Coating, etc.
Marking	laser marking,Air marking
Inspection	material, dimension, heat treatment, hardness, NDT, surface
Quality	ISO9001, PPAP control production
Lead time	as per clients' requirements
Delivery	Express for sample, ocean shipping/air for mass production
Our Capabilities	CNC machining, CNC center machining, drilling, milling, turning, grinding, tapping, die casting, casting, forging, stamping

Engineering&manufacturing services	R&D process, tooling and gauging design, product design Integrated CAD/CAM system, test and measuring
Packing	Eco-friendly pp bag / EPE Foam /Carton boxes or wooden boxes  As customer's specific requirements

Detailed Photos

PRODUCTS SHOWCASE

OUR WORKSHOP

STATE-OF-THE-ART CASTING EQUIPMENT

ADVANCED FORGING EQUIPMENT

PRECISION MACHINING EQUIPMENT

RIGOROUS INSPECTION

Company Profile

Qingdao Xinchangjin Machinery Co., Ltd. was established in 2008, specializing in machinery manufacturing. The company excels in R&D and manufacturing of Crane Hoist Parts, valve accessories, reducers, and various other mechanical products. We are a modern enterprise that seamlessly integrates R&D, manufacturing, foreign trade, marketing, and a suite of other services. Our foundation is built upon advanced technology, exceptional quality, and continuous innovation. Beyond offering top-tier machinery products, we provide comprehensive services that encompass casting and forging non-ferrous metal raw materials, to fabricating finished parts and components. Our integrated machining solutions are designed to meet the highest industry standards.

Packaging & Shipping

We meticulously design the optimal packaging for each component during sample development, taking into account the part structure, quantity per lot, and specific customer requirements.

Certifications

We maintain an unwavering focus on quality and performance, always considering the users' needs. Our management systems have reached new heights with the adoption of ISO 9001:2015 for international quality, ISO 14001:2015 for environmental standards, and ISO 45001:2018 for occupational health and safety management.

FAQ

Q: Are you a factory or trading company?
A: We are a factory.
Q: What do I need for offering a quote?
A: Detailed drawings (PDF/STEP/IGS/DWG...) including material specifications, quantity, and surface treatment information.
Q: How about the MOQ?
A: MOQ is flexible based on your requirements. We also welcome trial orders before full-scale production.
Q: Can I get a quote without drawings?
A: Yes, we can provide a quote based on your samples, pictures, or drafts with detailed dimensions.
Q: How long can I have the sample?
A: Depending on your product specifications and requests, it usually takes 7-20 days.
Q: Will my drawings be divulged if you benefit?
A: No, we prioritize our customers' confidentiality. We can sign an NDA if required.
Q: Is it possible to know the status of my product without visiting your company?
A: We provide a detailed production schedule along with weekly reports, including pictures and videos.
Q: How do you control the quality?
A: Material inspection—Checking the material surface and basic dimensions.
Production first inspection—Ensuring critical dimensions during mass production.
Sampling inspection—Assessing quality before moving to the warehouse.
Final inspection—Conducting a 100% thorough inspection before shipment.
Q: What will you do if we receive defective parts?
A: Please send us pictures of the defective parts, and our engineers will find solutions and remake them promptly.