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Premium Water Filters
Manufactured in China

Trusted wholesale supplier of NSF-certified water purifiers, RO systems, whole house filters, refrigerator filters, pool & spa components, and more. OEM/ODM services available since 2001.

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Who We Are

TIANJIN TIANCHUANG BEST PURE ENVIRONMENTAL SCIENCE AND TECHNOLOGY CO., LTD – operating as YUNDA FILTER – is a reputable manufacturer and wholesale supplier of residential and commercial water filtration systems based in China. Founded in 2001, we began with CTO and GAC carbon water filters and have since expanded into a full-line producer of water purifiers.

We are proud members of the American WQA since 2005 and hold authoritative certifications including NSF, WQA, IAPMO, TUV, and WaterMark. Our products serve over 35% of the water filter market in America and Europe, with 81% of customers giving positive feedback in our 2022 survey.

24+
Years of Experience
3
Manufacturing Bases
30+
Production Processes
40+
Customer Collaborations/Year
Factory Assembly Line R&D Laboratory Manufacturing Plant Finished Goods

Our Products

Full range of water filtration solutions for residential, commercial, and industrial use. All products are NSF tested and available for OEM, ODM, and private label manufacturing.

5 Stage RO Water System

5-Stage RO Water System with Pump & Tank

Includes PP, GAC, CTO, RO membrane, and post-carbon filter. UV sterilizer option available. NSF/ANSI 58 certified.

$48+ View Details
Countertop RO with Hot/Cold

Countertop RO with Hot, Cold & Ambient Water

All-in-one system for kitchen use. No plumbing required. Ideal for offices and homes.

Wholesale Pricing View Details
Whole House Filter

3-Stage Whole House Water Filter System

Sediment + Carbon block + GAC filtration. Protects plumbing and appliances. Ideal for bulk orders.

Bulk Pricing View Details
PP Filter Cartridge

Polypropylene Filter Cartridges – NSF 42 Certified

Food-grade PP material. Available in multiple micron ratings. Private label manufacturing accepted.

OEM/ODM View Details
Hayward Pool Filter

Hayward C1750 Pool Filter Replacement

Compatible with Hayward models. NSF/ANSI 50 certified. Wholesale and OEM options available.

Wholesale View Details
ZeroWater Replacement Filters

ZR-001 ZeroWater Replacement Filters

High-efficiency 5-stage filtration. Compatible with ZeroWater pitchers. Bulk order supported.

Bulk Order View Details
Instapure F2 Tap Filter

Instapure F2 Comparable Tap Water Filter

BPA-free and PB-free materials. NSF/ANSI 42 & 372 certified. OEM manufacturing available.

OEM View Details
Shower Filter Cartridge

Shower Head Water Filter Cartridge

Size: 98 x 72 mm. Includes screw heights for universal fit. Chlorine reduction up to 95%.

Wholesale View Details
Tankless RO System

Tankless Reverse Osmosis System – 600 GPD

Space-saving under-sink design. High-capacity filtration. NSF 58 tested. Ideal for distributors.

Distributor Pricing View Details
Pet Water Fountain

Pupihom Dog & Cat Water Fountain (OEM)

Similar to Petsafe, Petlibro. Quiet pump, multi-stage filtration. Accepts private label orders.

Private Label View Details
View All 111 Products

Why Choose Us?

Decades of expertise, global certifications, and customer-first innovation.

2001
Founded

Over 24 years of manufacturing excellence in water filtration technology.

NSF, WQA, TUV
Certifications

All products undergo rigorous testing to meet international standards.

35%
Market Share

Supplies 35% of water filters in North America and Europe.

81%
Customer Praise

Positive feedback from clients in 2022 customer experience survey.

3
Manufacturing Bases
30+
Production Processes
37+
New Products/Year
40+
Customer Projects/Year

Frequently Asked Questions

Are your products NSF certified?

Yes, all applicable products are tested and certified to NSF/ANSI standards including 42, 53, 58, and 372.

Do you offer OEM and private label services?

Yes, we specialize in OEM, ODM, and private label manufacturing for global brands.

What is your minimum order quantity (MOQ)?

MOQ varies by product. Contact us for specific details based on your requirements.

Where is your factory located?

Our headquarters and manufacturing plant are located in Tianjin, China.

Can I get samples before placing a bulk order?

Yes, we can send samples within 1 day of request. 3D design sampling available within 3 days.

Get in Touch

For wholesale inquiries, OEM partnerships, or product specifications, contact us directly.

Email:

inquiry@bestpurefilter.com

Tel / WeChat:

+86 16622909012

WhatsApp:

+86 13512092822

Factory Address:

706 Block C, Hi-Tech Information Plaza, Xiqing District, Tianjin, China

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