| Item | Detail |
|---|---|
| Threads and fitment | G1/2 (BSPP) is the common convention at the mixer outlet, the hose ends and the hand shower inlet, so standard products fit; the S/G/K/M adapter set covers legacy fittings. Confirm the mixer outlet with the importer for project work. |
| Flow rules | No mandatory shower flow maximum is commonly applied. Rooftop tanks and booster pumps produce very different pressures in the same building, so state the working pressure with the target flow; ZHONGHE flow tests selected specifications at 0.3MPa. |
| Certification and import documents | TCVN national standards and QCVN technical regulations apply to construction and sanitary products, with a conformity declaration route for regulated items. A certificate of origin Form E under the ASEAN-China agreement commonly supports preferential duty. Confirm with your customs broker or importer. |
| Water and product fit | Urban supply is chlorinated, older pipework releases rust and sediment, and groundwater in some regions carries iron. PP cotton and activated carbon cartridges and anti-clog nozzle faces fit. |
| Sales channels | Shopee, Lazada and TikTok Shop, Tiki, sanitary ware distributors and showrooms, project supply to apartment developments, private label for Vietnamese brands. |
| Port and transit | Hai Phong for the north and Ho Chi Minh City (Cat Lai) or Cai Mep for the south; approximately 5 to 10 days by sea from Ningbo-Zhoushan. |
| MOQ and timing | From about 2,000 units per model, custom packaging from the same level; about 30 days of production on existing models as a guide. |
| Local terms | vòi sen, vòi sen tay, sen cây, dây sen, tay sen, bát sen, giá đỡ sen, bồn nước |
| Local term | Language | English | Note |
|---|---|---|---|
| vòi sen | Vietnamese | shower | The general term for the shower fitting; covers head and set. |
| vòi sen tay | Vietnamese | hand shower | The handheld head on a hose; the retail volume item. |
| tay sen | Vietnamese | hand shower head | Used interchangeably with vòi sen tay by distributors. |
| sen cây | Vietnamese | shower column | Riser with a fixed overhead head, a hand shower and a diverter; the format apartment projects specify. |
| dây sen | Vietnamese | shower hose | Specify stainless double-lock or PVC and the length. |
| bát sen | Vietnamese | shower head face | The head itself, especially the wide overhead type. |
| giá đỡ sen | Vietnamese | shower holder | Wall bracket or suction cradle packed with a retail set. |
| bồn nước | Vietnamese | rooftop water tank | Gravity feed from a rooftop tank sets the static pressure at the head. |
| máy bơm tăng áp | Vietnamese | booster pump | Common in newer buildings; allows a tighter water-saving specification. |
| lọc nước | Vietnamese | water filtration | The cartridge story in Vietnam is sediment and rust rather than limescale. |
| tiết kiệm nước | Vietnamese | water saving | Claim wording on Vietnamese listings; state the comparison and test pressure. |
| thiết bị vệ sinh | Vietnamese | sanitary ware | The trade category distributors and project buyers purchase under. |
Fitment and thread standards in Vietnam
Vietnamese bathroom fittings follow the metric and BSP tradition, so G1/2 (BSPP) is the common convention at the mixer outlet, at both hose ends and at the hand shower inlet. ZHONGHE's standard hand showers, hoses and holders are G1/2, so most Vietnamese orders fit without a conversion piece. Where an older or imported fitting appears, the adapter set covers the head side: S is M22.1 x 1.5, G is M21.3 x 1.5, K is M21.5 x 2 and M is M22.1 x 1.75.
The formats worth naming are the tay sen or vòi sen tay, the handheld head on a hose, and the sen cây, the shower column with a fixed overhead head, a riser and a diverter, which is what apartment projects specify. A retail order is usually head plus dây sen hose plus giá đỡ holder in one pack; a project order is a column with the finish matched to the mixer. Say which one the enquiry covers before pricing.
Regulations, certifications and import documents
Vietnam works through TCVN national standards and QCVN technical regulations, with a conformity declaration and certification route for regulated construction and sanitary products. Whether a plain mechanical shower head falls inside a regulated group depends on the classification used at import, so confirm the position and the tariff line with your customs broker or importer. Import VAT applies at clearance alongside the duty rate.
One document is worth asking for by name: a certificate of origin Form E under the ASEAN-China agreement, which commonly supports a preferential duty rate on goods shipped from China. ZHONGHE issues the origin documentation with the shipping set and supplies component and media test reports, flow figures at a stated pressure, the 0.5MPa leak check and the 100% water test record, with third-party testing arranged per project. Certified options are available on request.
What sells in Vietnam: water conditions, channels and product fit
Urban supply is treated and chlorinated, but older buildings release rust and sediment into the line and groundwater in several regions carries iron, so the filter story in Vietnam is about visible particles rather than limescale. PP cotton cartridges answer that directly, activated carbon adds chlorine reduction, and a transparent handle lets the user see when to change the element. ZHONGHE's activated carbon fiber media has shown 99.5% free-chlorine removal at the start of flow in SGS testing and 90.6% after 5 tons of water.
Pressure varies inside a single building, because some units draw from a rooftop bồn nước by gravity while others sit behind a booster pump, so a Vietnamese range usually keeps an open-face head as the core item and adds a water-saving version for pumped installations. Retail volume runs through Shopee, Lazada and TikTok Shop, where a photogenic transparent body and a bundled set sell; distributors and showrooms carry chrome column sets for renovation and apartment handover packages.
Logistics, terms and how to start
Hai Phong serves the north and Ho Chi Minh City or Cai Mep serves the south, with the run at approximately 5 to 10 days by sea from Ningbo-Zhoushan. That short leg makes staged shipments practical: a first container to test sell-through, then repeat orders on the same molds and the same specification. Quotations are FOB Ningbo by default, with other Incoterms on request, and the origin documentation ships with the invoice.
MOQ discussions start from about 2,000 units per model, with custom packaging from the same level; production on existing models runs about 30 days as a guide, and a new design adds about 15 days of appearance design, 15 days of structure design and about 60 days of mold making. The online catalog shows 115 photo-documented models and the full range goes beyond them. Send the model or a photo, the set contents, the finish and the destination port to Steven, Export Manager, at [email protected].
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