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Stainless Steel Manhole Cover with Sight Glass
US$60.00
1 Piece
Product profile
Customization
AvailableModel
Yab Yaa Yac YadMaterial
SS304 or SS316LModel NO.
YAAType
Pressure / NormalTransport Package
Wooden CaseSpecification
ISO, CE, ULTrademark
L&BOrigin
Zhejiang, ChinaHS Code
8479820090Production Capacity
1000 PCS/MonthKey features
3A Standard Design: Designed according to 3A standard for food, beverage, and pharmaceutical industries.
Customizable Options: Supports custom model, material (SS304/SS316L), and sight glass requirements.
Wide Size Range: Available diameters from 150mm to 600mm to fit various vessel sizes.
Multiple Sealing Options: Offers Silicon, EPDM, and PTFE sealing options for diverse media applications.
Fast Delivery: Usually delivers within 10 days after receiving T/T down payment.
OEM/ODM Service: Provides OEM and ODM services with 2 R&D engineers for custom needs.
CE Certified: Product holds CE certification ensuring quality and safety compliance.
Company profile

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: 24 Years CertifiedNearest Port: Ningbo portAverage Response Time: ≤9.43h
AI-Powered supplier vetting
SummaryZhejiang L&B Machinery Co., Ltd. is a China-based factory established in 2002, with 56 employees and a 3,295 m² manufacturing plant. Its product scope includes tanks, emulsifying machines, pumps, valves, mills, storage tanks, and sanitary fittings. The supplier reports ISO 9001:2015 certification, two production lines, export sales of 71%–90%, and export markets spanning Southeast Asia, the Middle East, Europe, and North America. It states one-month lead times in both peak and off-peak seasons and has self-operated import/export rights. Evidence confirms relevant manufacturing and export activity, but information is insufficient to establish after-sales capability, customization capability, or strong innovation performance. Trade records identify one buyer and several stainless-steel valve transactions, supporting evidence of customer activity but not a broad customer portfolio.
Supplier typeThe supplier is identified as a factory and a limited company located in Wenzhou, Zhejiang, China, with company type listed as combined. Its stated manufacturing plant and product range further support classification as a machinery and component manufacturer.
CertificationsThe supplier reports holding an ISO 9001:2015 certificate. This is explicit evidence of a certified quality management system, although the scope and current validity details are not provided.
Financial creditThe supplier reports registered capital, annual revenue, a 2002 establishment date, 56 employees, and a 3,295 m² plant. These details indicate an established operating entity, but the provided information does not independently verify financial stability or payment performance.
Production capacityThe supplier operates two production lines, reports a 3,295 m² manufacturing plant, offers a broad range of machinery and sanitary components, and states one-month lead times in both peak and off-peak periods. These facts support established production capability, while the fewer-than-five quality-control staff indicate a relatively lean quality organization.
Client casesThe supplier reports export sales of 71%–90% and markets in Southeast Asia, the Middle East, Europe, and North America. Trade records show shipments through Ningbo involving NKR ENGINEERING PVT LTD and several stainless-steel valve products, providing concrete transaction evidence but only one identified buyer in the supplied records.
Product Q&A
Q:What materials are available for the manhole cover?
A:
The manhole covers are made from SS304, SS316L, 1.4301, or 1.4404 stainless steel.
Q:What are the available sizes?
A:
Diameters range from 150mm to 600mm, including 150, 200, 250, 300, 350, 400, 450, 500, and 600mm.
Q:What sealing options are provided?
A:
We offer Silicon, EPDM, and PTFE as sealing material options.
Q:What standards does the product comply with?
A:
The design complies with 3A, DIN, SMS, RJT, and ISO/IDF standards.
Q:What is the delivery time?
A:
Delivery is usually within 10 days after receiving the T/T down payment.
Send Inquiry
*To:
Zhejiang L&B Machinery Co., Ltd.
Zhejiang L&B Machinery Co., Ltd.*Content:
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