What is your warranty policy?

We provide lifetime service; any problems will be responded to within 12 hours, and spare parts are half price for life.

How do you handle product repairs?

If you cannot solve the problem locally, please deliver the product to us for repair and return.

What certifications do your sanitary valves have?

Our products are certified by SMS, DIN, 3A, and RJT standards.

SMS Hygienic Union Sight Glass

Name: SS304/SS316L DIN/SMS Hygienic Union Sight Glass
Brand: QILI HOLDING GROUP CO., LTD.
SKU: 859434335

Zhejiang, ChinaQILI HOLDING GROUP CO., LTD.

US$20.00

1 Piece

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

Certification

SMS,DIN,3A,Rjt

Shape

Equal

Model NO.

QLUSG

Head Code

Round,Hex

Connection

Welding

Material

Stainless Steel

Size

0.5"-4"

Transport Package

Standard Exporting Packing

Specification

SS304, SS316L

Trademark

QL, OEM

Origin

Wenzhou, China

HS Code

73072900

Production Capacity

50000/Month

Key features

Premium Material Options: Constructed from SS304 or SS316L stainless steel for superior corrosion resistance.

High Pressure Tolerance: Designed to withstand vacuum conditions up to 10 bar pressure.

Versatile Size Range: Available in sizes from 0.5 inches to 6 inches to fit various pipelines.

FDA and 3A Compliant: Materials meet FDA, ISO, and 3A certification requirements for hygiene.

Double Seal Design: Features double seals ensuring superior air tightness for closed containers.

Lifetime Service Support: Includes lifetime service with spare parts available at half price.

Company profile

QILI HOLDING GROUP CO., LTD.

Zhejiang, China

Business Type: Manufacturer/FactoryExport Year: 2006-01-01Nearest Port: Ningbo ,Shanghai,Shenzhen,QingdaoAverage Response Time: ≤24hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryQILI HOLDING GROUP CO., LTD. is identified as a China-based manufacturer/factory with facilities in Wenzhou, Zhejiang. The supplied information indicates four production lines, 50 quality-control staff, 11–20 years of combined R&D-engineer experience, and reported annual production of 5,000,000 sanitary valve and fitting pieces. It holds ISO 9001 certification and describes multiple specialized workshops, including CNC machining, forming and polishing, hot forging, BPE fittings, and valve production. The company reports exporting to more than 60 countries since 2006, with exports representing 90% of total sales. It states that it provides design, manufacturing, sales, and after-service capabilities, although detailed after-sales procedures are not provided. Custom fitting production is explicitly mentioned. Available trade data records one transaction and one associated buyer, so customer-case evidence is limited.

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and operates in manufacturing from an address in Wenzhou, Zhejiang, China. However, one record also classifies the company nature as a trading company, creating a conflicting secondary classification.

CertificationsThe supplier is explicitly reported to hold ISO 9001 certification, providing direct evidence of a certified quality-management system.

After-Sales capabilityQILI states that its capabilities cover sales and after-service and that it provides service to customers. The slices do not specify service channels, response times, warranty terms, or repair processes, so the stated capability is positive but not operationally detailed.

R&D capabilityThe supplier has 11–20 years of combined R&D-engineer experience and operates specialized workshops including CNC machining, hot forging, and fittings production. These facts support technical development capability, although no specific patented products or quantified R&D achievements are provided.

Production capacityThe supplier reports four production lines, 50 quality-control staff, and annual output of 5,000,000 sanitary valve and fitting pieces. Its described eight professional workshops and stated pre-delivery quality checks provide direct evidence of substantial manufacturing and quality-control capacity.

Customization capabilityThe company explicitly describes an Anhui mass-production base with CNC machining and the ability to make custom fittings. This directly supports customization capability for fitting-related products.

Client casesThe supplier states that its products are exported to more than 60 countries and lists multiple export markets; one associated buyer, LES INSTRUMENTS PITANCO INC, and one trade transaction are also recorded. These references indicate international customer exposure, but the named customer evidence and transaction history are limited.