What payment methods do you accept?

We accept L/C, T/T, Western Union, MoneyGram, and PayPal.

What is the minimum order quantity?

The minimum order quantity is 1000 pcs.

Can you customize the product color?

The standard color is White. However, as we offer OEM and ODM services with customization options from samples and designs, other colors may be available upon request.

2026 Best Seling Product, 3/8 Inch Plastic Plug

Name: 2026 Best Seling Product, 3/8 Inch Plastic Plug
Brand: Hebei Green Spring Environmental Protection Equipment Technology Co., Ltd
SKU: 2153587472

Hebei, ChinaHebei Green Spring Environmental Protection Equipment Technology Co., Ltd

US$0.35

50-99 Pieces

US$0.28

100-499 Pieces

US$0.20

500-999 Pieces

US$0.15

1,000-1,999 Pieces

US$0.10

2,000+ Pieces

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

Color

White

Material

Plastic

Model NO.

3/8 inch

Application

RO Water Purifier, Water Dispenser, Coffee Machine

Sample

Available

Transport Package

Carton

Specification

3/8 inch

Trademark

HBLQHB

Origin

Hebei, China

HS Code

8421991000

Production Capacity

1000/Day

Key features

OEM & ODM Service: Professional manufacturer offering full customization from samples, designs, and minor adjustments.

Fast Sample Delivery: Free samples available with delivery within 24 hours after confirmation for stock items.

Flexible Payment Terms: Accepts T/T, L/C, Western Union, MoneyGram, and PayPal for convenient transactions.

Competitive Factory Price: Direct factory sales ensure high quality products at competitive prices with ISO9001 certification.

Wide Application Range: Suitable for RO water purifiers, water dispensers, coffee machines, and various industrial filters.

Secure Packaging: Packed with shrink film and high-quality cartons to resist moisture, shocks, and long-distance transport.

Global Shipping Options: Supports Maritime, Railway, and Air shipping via DHL, UPS, TNT, and FEDEX for worldwide delivery.

100% Quality Inspection: Every finished product undergoes visual and functional inspection to ensure strict quality standards.

Company profile

Importers and ExportersIn-stock CapacityFast DeliveryFull Customization

Hebei Green Spring Environmental Protection Equipment Technology Co., Ltd

Hebei, 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.Export Year: 2009-07-27Nearest Port: Tianjin, Qingdao, NingboAverage Response Time: ≤3.56h

AI-Powered supplier vetting

SummaryThe supplier is a factory producing and selling sewage-treatment and large-scale water-treatment equipment, with related import/export rights and rental activities. It demonstrates OEM service for recognized brands, flexible customization, stocked products, documented finished-product inspection, and an automated production line. Its stated production includes millions of filter elements across several categories, with exports representing 41%–50% of sales and markets in Southeast Asia, the Middle East, and domestic China. However, overseas service infrastructure is limited: it has no overseas agents, branches, warehouses, showrooms, or offline trade-show participation. It also lacks an available SDK, has no valid manufacturing-capacity contract with related subcontractors, and has no documented supplier-assessment procedures or approved supplier list. ISO9001:2015 certification and recent fire-drill activity are reported, but broader financial performance cannot be assessed from the provided year labels...

Supplier typeThe supplier is explicitly identified as a factory, with a business scope covering production and sales of sewage-treatment and large-scale water-treatment equipment, plus import/export activities. This supports classification as a manufacturing supplier rather than only a trading or service company.

CertificationsThe supplier reports an ISO9001:2015 certificate and states that it conducted regular fire drills during the past year. The evidence supports holding a quality-management certification, although no other certification details are provided.

After-Sales capabilityThe supplier has in-stock service capability and accepts multiple quotation and payment terms, but it reports no overseas warehouse, showroom, agent, or branch, and serves zero stated overseas countries. These limitations indicate insufficient evidence of robust overseas after-sales coverage.

R&D capabilityThe supplier provides OEM services for recognized brands, but has no available SDK and reports no established AI-based data-management and decision-enablement practice; CRM and SAP sustainable-development capability are both recorded as zero. These data show limited documented digital or innovation capability.

Production capacityThe supplier reports stocked-product capability, an automated production line, peak- and off-season lead times within 15 working days, and production quantities totaling millions of filter elements across several product categories. However, it has no valid manufacturing-capacity contract with related subcontractors, so the documented capacity is positive but includes a contractual-control weakness.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports finished-product inspection instructions that are uniformly followed, supporting both customization breadth and a stated quality-control process.

Product Q&A

Q:What is your term of payment?

For amounts less than or equal to 1000 USD, 100% payment is required in advance. For amounts greater than or equal to 1000 USD, 30% T/T is paid in advance, and the balance is paid before shipment.

Q:How long is the delivery time?

If the product is in stock, it will be sent within 1-7 days after payment. If not in stock, production takes about 7-25 days. Generally, delivery is within 20 to 30 days after confirming all details.

Q:Do you provide free samples?

Yes, we offer free samples. For stock items, delivery can be arranged within 24 hours after confirmation. Please note that you need to pay the shipping fee.

Q:Are you a factory or trading company?

We are a professional manufacturer with our own factory. We provide customization services including OEM and ODM.

Q:What are your main products?

We mainly manufacture water purifier filter elements, including PP, UDF (GAC), CTO, RO membranes, and post-activated carbon filters. We also provide various water purifier parts for wholesale and retail.