HOMEPAGE DRAFT
WhatsApp: +86-15031158653  ·  +86-15176162953 sandra@sanzhuxiangsu.com  ·  jessie@sanzhuxiangsu.com
RUBBER SEALING MANUFACTURER · CHINA

Factory-Direct Sealing Solutions

Custom O-rings, gaskets & engineered rubber components — molded, tested and shipped from our own plant. ISO 9001 & IATF 16949 certified.

11 PRODUCT FAMILIES

One Partner. Every Seal You Need.

O-rings, X-rings, gaskets, hydraulic seals and custom-molded parts — materials tested to ASTM D2000.

IN-HOUSE MANUFACTURING

From Drawing to Delivery.

Send a drawing, get a quote within 24 hours. 100% quality promise — refund or re-dispatch.

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ISO 9001 · IATF 16949
Certified quality systems
11 Product Families
O-rings to custom molded parts
ASTM D2000
Full material testing standard
24h
Quote response time
OUR PRODUCTS

Sealing Components,
Engineered to Spec.

Standard sizes from stock and fully custom parts from your drawing — one factory, one quality standard.

FACTORY & QUALITY

Inside Our Plant.

Real machines, real people, real testing — take a look at where your seals are made.

  • ✓In-house tooling — mold design & making under one roof, faster sampling.
  • ✓Full QC lab — tensile, hardness & aging tests to ASTM D2000 on every batch.
  • ✓Traceable production — batch records from compound mixing to final inspection.
Sanzhu rubber factory — raw material warehouse ▶
HOW IT WORKS

From Inquiry to Shipment.

A transparent process — you always know where your order stands.

01

Inquiry

Send a drawing, sample or just dimensions.

02

Engineering Review

DFM feedback & quote within 24 hours.

03

Tooling & Production

In-house molds, controlled compounding.

04

QC & Testing

ASTM D2000 testing on every batch.

05

Packing & Shipping

Export packing, worldwide delivery.

Need a Custom Seal?
Get a Quote in 24 Hours.

OEM / ODM welcome · 100% quality promise — refund or re-dispatch.