How does your factory handle quality control?

Quality is priority. Random check during the production, 100% check during packaging according to the agreed standards. Our factory is certified by ISO9001, outsource to check in regulary time, such as SGS.

Wb3 John Crane PTFE Bellow Seal Bellows Mechanical Seal

Name: Wb3 John Crane PTFE Bellow Seal Bellows Mechanical Seal
Brand: Anhui Hengda Mechanical Seal Manufacturing Co., Ltd.
SKU: 2082272755

Anhui, ChinaAnhui Hengda Mechanical Seal Manufacturing Co., Ltd.

US$2.80-38.00

5 Pieces

Product profile

Customization

Available

Structure

Single End

Pressure

0.8

Model NO.

WB3

Speed

Temperature

-20-180

Performance

Corrosion

Standard

Type

Shaft Seal

Balance

Unbalanced

Shaft Size

25mm or Customized

Certificate

ISO9001, ISO14001, SGS, etc.

Quality Control

100% Control

Leadtime

Fast to Ship

Factory-Direct

Yes

R&D Capability

5 Engineers

Non-Standard Customization

Support

Transport Package

Neutral Carton

Specification

Comply with requirements

Trademark

Origin

Fuyang

HS Code

84842000

Key features

Customized Shaft Size: Available in 25mm or fully customized dimensions to fit specific pump requirements.

Non-Standard Customization: Supports OEM/ODM services and accepts non-standard customization requests.

Fast Shipping: Large quantity stocks available for fast shipment with lead times within 15 workdays off-peak.

ISO Certified Quality: Certified by ISO9001 and ISO14001 with regular third-party checks by SGS.

100% Quality Control: Strict 100% inspection during packaging and random checks during production.

Corrosion Resistance: Designed for harsh environments including sulfuric, hydrocarbon, and nitric acids.

20-Year Experience: Professional manufacturer with over 20 years of experience in mechanical seals.

Multi-Material Options: Stationary rings in Ceramic/SiC/TC and secondary seals in NBR/EPDM/VIT.

Company profile

Full CustomizationQuality AssuranceR&D CapabilitiesManagement Certification

Anhui Hengda Mechanical Seal Manufacturing Co., Ltd.

Anhui, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2009-06-12Nearest Port: shanghaiAverage Response Time: ≤4.09hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, CIF

AI-Powered supplier vetting

SummaryThe supplier demonstrates strong customization and technical design capabilities, including sample-, design-, and full-custom services, private molds, and 3D software design. It holds ISO9001:2015, ISO45001:2018, and ISO14001 certifications and reports quality assurance. However, evidence indicates limited international service infrastructure: no overseas agents, branches, warehouses, showrooms, or overseas service countries, and no offline trade-show participation. Exporting began one year ago, including exports through agents. Production-related documentation is incomplete because manufacturing capacity is not covered by a valid contract with associated subcontractors, although in-stock capacity is available. After-sales controls are weakly documented, with no written complaint-handling procedures or records and no written CAPA records. R&D activity appears limited, with no new products in the past year, no ODM, OEM for popular brands, SDK, or digital-management systems. No Fortune 500 cooperation is...

Supplier typeThe supplier provides professional technical services and supports sample, design, and full customization, but has no overseas agents or branches, overseas warehouse, showroom, or overseas service coverage. Exporting began one year ago, including exports through agents, indicating an export-capable but relatively limited international operating structure.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 management-system certificates. These explicitly demonstrate certification holdings relevant to quality, occupational health and safety, and environmental management.

After-Sales capabilityThe supplier reports no written procedures or records for handling customer complaints, and its corrective and preventive action mechanism has a procedure but no written records. Although quality assurance is stated, the documented after-sales and corrective-action infrastructure is insufficiently evidenced.

R&D capabilityThe supplier has two R&D engineers, private mold capability, professional technical-supplier status, and 3D design services. However, it reports no new products in the past year, no ODM, no SDK, and no digital, big-data, ERP, OA, CRM, or SAP systems, indicating technical design capability but limited demonstrated product innovation and digital innovation infrastructure.

Production capacityThe supplier reports in-stock capacity, 20 qualified service-capability suppliers, and one-month lead times in both peak and off-season, with finished products checked by packing staff. However, there is no valid contract covering manufacturing capacity with associated subcontractors, so production-control strength is mixed and the stated subcontracting arrangement is a clear deficiency.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, and full customization, supported by private mold development and 3D software design services. This provides direct evidence of broad customization capability.

Client casesThe supplier reports no cooperation with Fortune 500 companies and provides no named customer cases. A repeat-buyer preference of 30%–50% is stated, but it does not identify customers or independently demonstrate notable customer references.

Product Q&A

Q:Are you a manufacturer or a trade company?

We are a professional mechanical seals manufacturer from China, founded in 2001.

Q:Where is your factory located and how can I visit?

Our factory is located in FUYANG CITY, ANHUI PROVINCE. You can reach us by air to Fuyang Xiguan Airport, or by fast train to FuyangXi Station or Linquan station.

Q:What is the order process?

a. Inquiry---provide us all clear requirements. b. Quotation---official quotation form with all clear specifications. c. Payment terms---LC/ AT SIGHT, T/T 30% deposit, and the balance according to the copy of the B/L. d. Develop mould---open the mould according to your request. e. Sample confirmation---send you the sample for confirmation after finish the sample production. f. Production---mass order production. g. Shipping--- by sea, air or courier. Detailed picture of package will be provided.

Q:What payment terms do you use?

T/T, L/C, D/P, Western Union, Cash.

Q:How can I get samples?

We are honored to offer you samples.