Premium Changjin Carbon Steel Valve Stem Assembly for Industrial Use

• Customization: Available
• Certification: ISO, SGS
• Surface Treatment: Nickel Plating
• Model NO.: Stem Connector
• Application: Globe Valve
• Material: Stainless Steel
• Trademark: changjin
• Origin: Qingdao, China
• 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 SHOW

OUR WORK SHOP

CASTING EQUIPMENT

FORGING EQUIPMENT

MACHINING EQUIPMENT

INSPECTION

Company Profile

Qingdao Xinchangjin Machinery Co., Ltd. was established in 2008, specializing in machinery manufacturing. Our expertise encapsulates the R&D and production of Crane Hoist Parts, valve accessories, reducers, and an array of other mechanical components. We are a contemporary enterprise that integrates research and development, manufacturing, foreign trade, marketing, and comprehensive services. We stand on the pillars of advanced technology, superior quality, and relentless innovation, striving to deliver not just the finest machinery but a seamless service experience. From casting and forging non-ferrous metal raw materials to crafting finished parts and components, we offer integrated machining solutions to meet every requirement.

Packaging & Shipping

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

Certifications

We have always prioritized quality and performance, ensuring user satisfaction. Our management systems are certified at the highest standards, including ISO9001: 2015 for quality, ISO 14001: 2015 for environmental management, and ISO 45001: 2018 for occupational health and safety.

FAQ

Q: Are you a factory or trading company?
A: We are a factory.
Q: What information is required to receive a quote?
A: We need detailed drawings (PDF/STEP/IGS/DWG) that include material specifics, quantity, and surface treatment information.
Q: What is the MOQ?
A: The MOQ depends on your specific needs. We also welcome trial orders before commencing mass production.
Q: Can I receive a quote without providing drawings?
A: Absolutely! We can provide an accurate quotation based on your samples, pictures, or drafts with detailed dimensions.
Q: How long will it take to receive the sample?
A: The timeline varies based on product specifics and your requests, generally ranging from 7 to 20 days.
Q: Will my drawings be kept confidential?
A: Absolutely. We are committed to protecting our customers' privacy. If needed, we can sign an NDA to ensure confidentiality.
Q: Is it possible to track my product's progress without visiting your company?
A: Certainly, we provide detailed product schedules along with weekly reports, including pictures and videos.
Q: How do you ensure quality control?
A: Our quality control process includes material inspection to check surface and dimensions.
Production first inspection to verify critical dimensions during mass production.
Sampling inspection to check quality before sending items to the warehouse.
Final inspection where 100% of the products are inspected before shipment.
Q: What should I do if I receive defective parts?
A: Please send us photos of the defective parts, and our engineers will promptly work on solutions and remanufacture the parts as soon as possible.