third party inspection services
Universal travel adapter, USB international travel adapter inspection, factory inspection, product inspection services
Universal travel adapter, USB international travel adapter inspection, factory inspection, product inspection services
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1. Core Functions
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Multi-specification compatibility
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Intelligent transfer system : supports fast switching of 10/20/40 inch standard filter elements (such as PP cotton, activated carbon, RO membrane)
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Universal thread interface : compatible with 90% of mainstream water purifiers (interface specifications: 1/4", 3/8", 1/2" NPT)
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Zero leakage seal
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Double O-type silicone ring : temperature resistance -20℃~80℃, pressure bearing ≥1.0MPa
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Spinning self-locking structure : the seal can be completed by rotating 180 degrees, which is shockproof and loose-proof
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Traffic optimization design
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Internal flow channel rectification technology reduces pressure loss by 35% (compared to traditional adapters)
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Water flow ≥ 2.5L/min (@0.5MPa water pressure)
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Rapid maintenance support
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Side-mounted filter status observation window (visually check the degree of contamination)
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Tool-free disassembly, filter replacement can be completed in 3 seconds
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2. Core Advantages
Cost savings : Avoid replacing the entire machine, reducing single-time modification costs by 80%
Eliminate water mixing : 304 stainless steel flow channel + food-grade PC shell, 100% isolation of raw water/purified water
Universal adaptability : Solve the problem of discontinuation of filter elements for old models
Safety certification : Passed NSF/ANSI 42 & 372 lead content standards
3. Professional inspection methods
Test items | Inspection method | International Standards |
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Leakage test | Pressurize to 1.6MPa and hold for 30 minutes | Leakage ≤ 1 drop/minute (ANSI/ASME B16.34) |
Material safety | Lead/cadmium content test in soaking water (40℃×24h) | NSF/ANSI 61 |
Flow attenuation | Continuous operation for 500 hours, measuring the pressure loss change | Pressure loss increase ≤15% |
extreme environments | -30℃ freezing/85℃ high temperature shock cycle 50 times | No cracking/deformation |
Compatibility Verification | Compatible with 15 brands of filters (Qinyuan/Xiaomi/3M, etc.) | 100% leak-free |
We can provide professional inspection services, factory inspection, testing and certification services, and can also help with product procurement.


Qingdao Suhang International Shipping Co., Ltd. is a first-class freight forwarder approved by the Ministry of Commerce and an NVOCC non-vessel operating common carrier approved by the Ministry of Transport. Mainly engaged in sea transportation, air transportation, international combined transportation and international shipping agency business of all kinds of import and export goods. Undertake freight forwarding and related cargo solicitation, chartering and booking, insurance, unpacking and containerization, import and export distribution, customs declaration, inspection declaration, settlement of transportation and miscellaneous charges, as well as related transportation services and transportation consultation business. Both its business operation capabilities and freight rate advantages rank among the top in the freight forwarding industry in Qingdao.
Booking agent
At present, we have become the designated agent of major shipping companies such as MAERSK(MCC SAF), CMA, HAPAG-LLOYD, NYK, HYUNDAI, HAMBURG-SUD, OOCL, MOL, APL, SITC, YM, etc., and in the routes to Japan and South Korea and Southeast Asia, The routes to Europe, America and Canada all have considerable freight rate advantages, with an average monthly business volume of 10,000 TEUs. After years of operation in the shipping market, we have accumulated rich operational experience in booking space agency services for shipping companies. Moreover, we have further formulated matching service processes for the special requirements of large enterprises and logistics companies, providing one-stop services for customers more practically and effectively.
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Universal travel adapter, USB international travel adapter inspection,
Universal travel adapter, USB international travel adapter inspection, factory inspection, product inspection services 1. Core Functions Multi-specification compatibility Intelligent transfer system : supports fast switching of 10/20/40 inch standard filter elements (such as PP cotton, activated carbon, RO membrane) Un





