What is the tight tolerance on 304?

Yes, +/-0.003mm with CMM verification.

What thread types do you support?

NPT, NPTF, BSPP, BSPT, UN/UNF/UNC, Metric, custom.

Is 304 suitable for wet processing?

Yes. For strong acids or aggressive halogens, 316L is recommended.

How do I get a quote?

Send drawings (PDF/STEP/IGS/DWG) with material, passivation requirement, tolerance, threads, quantity. No drawing? Send sample/photo/sketch - free support.

What is the lead time?

Sample 10-15 days, batch 2-3 weeks.

Do you accept samples?

Yes, fee refundable upon mass order.

What is the after-sales policy?

30 days to report issue, solution in 7 days. Click 'Contact Supplier'.

Passivated Components for Wet Processing with 304 Stainless

Name: Passivated Components for Wet Processing with 304 Stainless
Brand: GUANNENG PRECISION MACHINERY CO.,LTD.
SKU: 2308148685

Guangdong, ChinaGUANNENG PRECISION MACHINERY CO.,LTD.

US$5.00

100-999 Pieces

US$3.00

1,000-9,999 Pieces

US$0.75

10,000+ Pieces

Product profile

Customization

Available

Application

Fastener, Auto and Motorcycle Accessory, Hardware Tool, Machinery Accessory

Standard

GB, EN, China GB Code, JIS Code, TEMA, ASME

Surface Treatment

Powder Coated

Production Type

Mass Production

Machining Method

CNC Machining

Material

Steel

Keywords 01

Passivated 304 Stainless Steel Components

Keywords 02

ASTM A967 Passivation Service

Keywords 03

Wet Processing Equipment Parts

Keywords 04

Chemical Resistant Stainless Fittings

Keywords 05

Semiconductor Wet Bench Components

Keywords 06

Passivated Chemical Delivery Fittings

Keywords 07

Corrosion Resistant Stainless Parts

Keywords 08

High Purity Wet Processing Components

Keywords 09

Cleanroom Compatible Stainless Hardware

Keywords 10

Nitric Acid Passivated Stainless Steel

Transport Package

Individual Packing + Wooden Case

Specification

OD68*L900mm

Trademark

GGN

Origin

China

HS Code

8466939000

Production Capacity

1000PCS

Key features

ASTM A967 Passivation: Chemical treatment forming protective Cr2O3 layer for enhanced corrosion resistance.

High Precision Tolerance: Achieves +/-0.003mm precision with full CMM verification for critical components.

ISO9001 Certified Factory: 17 years experience, 2000 sqm facility with 30+ CNC machines and strict QC.

100% Pre-shipment Inspection: Includes dimensional verification, passivation checks, and free inspection reports.

Low MOQ Acceptance: Accepts orders starting from 1 piece for prototypes and small batch production.

Custom Thread Capabilities: Supports NPT, BSPP, Metric, and custom threads with precision sealing surfaces.

Nitric & Citric Acid Options: Flexible passivation methods including Nitric acid for general use and Citric acid for food/pharma.

30-Day After-Sales Guarantee: Issues reported within 30 days receive solutions including rework or refund within 7 days.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceFast Delivery

GUANNENG PRECISION MACHINERY CO.,LTD.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 8 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤1.19h

AI-Powered supplier vetting

SummaryDongguan Guanneng Automation Technology Development Co., Ltd. is a China-based combined business entity identified in one record as a trade company, operating in Dongguan, Guangdong. It reports more than 15 years of machining-industry experience, while the company establishment date provided is 2018. Its stated capabilities include CNC machining, milling, grinding, wire cutting, turning, testing, assembly, and after-sales service. The supplier reports its own factory, multiple production lines, more than 10 production lines, and ISO9001:2015 certification. It serves machining, biomedical, automotive, semiconductor, automation, and petroleum machinery industries, and exports to East Asia, Europe, and North America. Lead times are stated as within 15 working days in both off-peak and peak seasons. Evidence is insufficient to assess financial credibility, innovation output, formal outsourcing or contract controls, overseas warehousing, traceability, or named customer cases. The audit record is dated November...

CertificationsThe supplier reports holding an ISO9001:2015 certificate and describes a dedicated quality control department and strict ISO9001-based production management system. A BV audit is also recorded for November 9, 2023 through November 8, 2024, although the audit result is listed as 0 without an explained scale.

After-Sales capabilityThe company description explicitly includes after-sales service among its integrated activities and states that it serves domestic and overseas enterprises. However, the records provide no specific response process, service coverage, repair policy, or overseas service infrastructure; overseas warehouse and showroom capabilities are marked unknown.

Production capacityThe supplier reports more than 15 years of machining-industry experience, its own factory, multiple production lines, and more than 10 production lines. It lists CNC machining, milling, grinding, wire cutting, and turning capabilities, serves several industrial sectors, and states lead times within 15 working days in both peak and off-peak seasons.

Customization capabilityThe product and service descriptions cover precision CNC machining, CNC turning, grinding, wire cutting, machinery parts, testing, and assembly. The supplier states that its production lines can meet different product needs and requirements, supporting customization, although no detailed engineering workflow, tolerance range, tooling policy, or sample-development evidence is provided.