Imagine you're the buyer who approved 40,000 washer cleaning tablets at a great unit price. The pallets then sat through August in a warehouse with no climate control. By September, many tubs held one swollen, fused lump instead of 12 tablets, and your retailer delisted the SKU before the autumn cleaning season had even started.
This happens more often than suppliers admit. Moisture control, packaging and formulation discipline decide whether a tablet survives the trip. Those things vary much more between factories than unit price does.

Key Takeaways
- China's big household brands (Liby, Nice, Blue Moon) dominate shelves at home. OEM specialists are usually the better fit for export, private-label and wholesale buyers.
- Typical MOQs run from 3,000 to 10,000 units. A few factories, including Boymay, start at 1,000.
- Oxygen-based tablets made with sodium percarbonate are the leading type in North America and Europe.
- Don't place an order until you have an SDS, a batch COA and REACH/CLP documentation.
- Boymay ranks #1 on this list for OEM flexibility, customization and paperwork.
Why Sourcing Washer Cleaning Tablets from China Makes Sense
If you're looking for a washing machine cleaning tablet manufacturer in China, the shortlist splits into two groups. Brand groups such as Liby, Nice and Blue Moon own the domestic supermarket aisle. Contract manufacturers such as Boymay make OEM, private-label and bulk orders for overseas brands.
Industry estimates put the global washing machine cleaner market at roughly USD 1.3–1.5 billion in 2025. Tablets are growing faster than liquids or powders, at about 7–9% a year. They're easy to sell: pre-dosed, light to ship and impossible to spill.
China's share of this market is bigger than most buyers assume. By typical industry figures, Chinese factories supply more than 60% of the private-label effervescent tablets sold worldwide. Two things explain that. Sodium percarbonate, citric acid and soda ash are all produced locally, and tablet-press capacity grew quickly during the dishwasher-tablet boom.
The catch is that cheap capacity is easy to find. A dehumidified pressing room, a validated moisture spec and barrier packaging are much harder to find. Those are what separate the factories below.
How We Ranked These Washer Cleaning Tablet Factories
We weighted seven criteria. They're the questions I'd want answered before signing a purchase order.
| Criterion | What we checked | Weight |
|---|---|---|
| Production capacity | Automated lines and spare capacity for peak season | 15% |
| R&D and formulation range | Oxygen, chlorine and acid formulas; in-house lab | 20% |
| Certifications | ISO 9001/14001, GMP, BSCI/SMETA, FDA registration | 15% |
| Export experience | Shipments to North America, the EU and the Middle East; labelling know-how | 15% |
| OEM/ODM support | Custom formulas, molds and packaging design | 15% |
| MOQ | Minimum order for a new SKU | 10% |
| QC documentation | SDS, COA, third-party test reports | 10% |
One caveat first. Most of the names on this list are brand owners. They make washer tank cleaners for Chinese retail, often as liquids or powders rather than tablets, and they rarely take third-party OEM work.
Contract manufacturers work differently. They don't have their own shelf to protect, so your formula, packaging and timeline get priority. For a decision-maker, that affects who you can actually negotiate with, how small your first order can be and who owns the formula. The brand groups are on this list because they set the domestic quality benchmark. Most of them don't take private-label orders.
The Top 10 Washing Machine Cleaning Tablet Manufacturers in China
The profiles below are kept short. The comparison table in the next section adds more detail.
1. Boymay: Best for OEM and Private-Label Washer Cleaning Tablets
Boymay has made OEM/ODM personal care and cleaning products since 1995. Its 40,000 m² facility runs 16 automated lines with more than 200 staff and holds GMP, ISO, FDA and SMETA certifications. It makes effervescent oxygen, chlorine-type and citric descaler tablets in custom weights from 15 to 50 g. Packaging options include PVA, foil and tubs. The MOQ is 1,000 units. Best for: brands that want their own formula and label.

2. Guangzhou Liby Group Co., Ltd.
China's leading household detergent group, with a broad washer tank cleaner range sold nationwide. OEM access is limited.
3. Nice Group Co., Ltd. (Zhejiang)
The company behind the Diao and Chaoneng brands, with very large fabric-care capacity. Best suited to high-volume buyers.
4. Blue Moon (China) Co., Ltd.
A liquid laundry specialist that also sells washing machine cleaner. It has serious R&D, but its focus is its own brand.
5. Shanghai Jahwa United Co., Ltd.
Owns the Jiaan (家安) brand of washer tank cleaners. Strong compliance culture and a premium position in the domestic market.
6. Zhongshan Lanju Daily Chemical Industrial Co., Ltd.
Makes household cleaning and insecticide products, including washer cleaner SKUs, with solid distribution in Southern China.
7. Walch (Guangzhou Weilai Daily Products)
A disinfection-focused brand whose washer cleaners carry antibacterial claims. A good fit for hygiene-led products.
8. Shanghai Hutchison Whitecat Co., Ltd.
A long-established detergent maker with household and institutional lines and a reliable quality system.
9. Guangzhou Lonkey Industrial Co., Ltd.
A state-backed detergent and soap producer that can handle bulk chemicals. Suits buyers who put volume first.
10. Beijing Lvsan Chemistry Co., Ltd.
A household cleaning specialist with washer tank cleaner products and strong coverage in Northern China.
Side-by-Side Comparison: Brand Giants vs. OEM Specialists
| Manufacturer | HQ | Main chemistry | OEM/ODM | Indicative MOQ | Certifications | Export focus |
|---|---|---|---|---|---|---|
| Boymay | China | Oxygen, chlorine, acid tablets | Full | 1,000 units | GMP, ISO, FDA, SMETA | NA, EU, Middle East |
| Liby / Nice | Guangzhou / Zhejiang | Liquid, powder, some tablets | Rare | Large, case by case | ISO systems (verify scope) | Mainly domestic |
| Blue Moon / Jahwa | Guangzhou / Shanghai | Liquid, powder | Rare | Large, case by case | ISO systems (verify scope) | Mainly domestic |
| Lanju / Walch / Lvsan | Regional | Chlorine, liquid | Limited | 10,000+ | Verify scope | Domestic |
| Whitecat / Lonkey | Shanghai / Guangzhou | Powder, bulk | Selective | 10,000+ | Verify scope | Domestic, some export |
| Brand giants | OEM specialists |
|---|---|
| Pros: scale, brand credibility, mature supply chains | Pros: custom formulas, private-label packaging, samples in 7–15 days |
| Cons: limited OEM access, high MOQs, own brand comes first | Cons: quality varies between suppliers, so you need to audit their systems |
Which type fits which buyer?
- Amazon and DTC sellers: an OEM specialist with a low MOQ and fast sampling.
- Supermarket private label: a SMETA- or BSCI-audited OEM with retailer-ready documents.
- Distributors: a supplier that can quote wholesale washing machine cleaning tablets in mixed scents.
- Hotels and laundry chains: high-strength oxygen or chlorine tablets in bulk packs, with disinfection registration checked first.
Technical Specifications, Formulation Grades and Compliance
| Ingredient | CAS | Function | Key GHS hazards |
|---|---|---|---|
| Sodium percarbonate | 15630-89-4 | Oxygen bleach | H272, H302, H318 |
| Citric acid | 77-92-9 | Effervescence, descaling | H319 |
| Sodium bicarbonate | 144-55-8 | Effervescence | Not classified |
| Sodium carbonate | 497-19-8 | Alkalinity builder | H319 |
| TAED | 10543-57-4 | Activates bleaching at low temperatures | Generally not classified |
| NaDCC | 2893-78-9 | Chlorine source | H272, H302, H319, H335, H410, EUH031 |
| Sodium lauryl sulfate | 151-21-3 | Surfactant | H302, H315, H318 (grade-dependent) |
| Parameter | Typical spec |
|---|---|
| Weight / diameter | 15–50 g / 30–45 mm |
| Hardness | 80–150 N |
| Available oxygen | About 10–13% in the percarbonate grade, lower in the finished tablet depending on how much is loaded |
| pH (1% solution) | 10–11 for oxygen tablets, 2.5–3.5 for acid tablets |
| Disintegration | Under 5 minutes |
| Moisture | Below 1% |
| Shelf life | 24–36 months, sealed |
Application fit: Oxygen tablets suit front-loaders and HE machines. Chlorine tablets are for heavy mold and products that make disinfection claims. Acid descaler tablets work best in hard-water regions.

Hazard note: Never mix chlorine tablets with acid tablets, because together they release chlorine gas. Your labels and SDS should state this clearly.
Compliance checklist:
- REACH (EC 1907/2006) and CLP labelling (EC 1272/2008)
- EU Detergents Regulation (EC 648/2004)
- US EPA registration under FIFRA for any disinfection claim (in the EU, check the Biocidal Products Regulation)
- A 16-section SDS and a COA for every batch
- UN transport classification for oxidizers (e.g., UN3378 for percarbonate, Class 5.1)
Handling and storage: Store below 30 °C and below 60% relative humidity, in moisture-barrier or individually wrapped PVA packaging. Keep tablets away from acids and combustibles, and rotate stock first in, first out.
Why Leading Brands Choose Boymay as Their OEM Partner
Most of the big names above make products for their own shelves. Boymay makes them for yours.
Thirty years of OEM/ODM work shows in the details. As a private label washing machine cleaner manufacturer in China, Boymay offers:
- Formula customization: scent, color, phosphate-free and vegan, cruelty-free options
- Bespoke tablet molds and private-label design support
- Full SDS, COA and REACH paperwork
- Pre-shipment QC on every batch
- A 1,000-unit MOQ, samples in 7–14 days and mass production in 25–30 days
The proof points: GMP, ISO, FDA and SMETA certifications, 16 automated lines, and buyers across North America, Europe and the Middle East.
Here's how a typical project runs. A distributor sends a target market and a reference product. Boymay adjusts the effervescent load and fragrance to suit local water hardness, then sends samples within two weeks. Once the samples are approved, production ships about a month later with export-ready documents.
For private label washer cleaning tablets, you can request free samples, a spec sheet and an OEM quote through the Boymay website inquiry form or on WhatsApp. The team replies within 24 hours.
Ready to build your own tablet line? Send Boymay your target market, tablet type and quantity. You'll get samples, a spec sheet and an OEM quote, with a reply within 24 hours.
FAQ
Q: What is the typical MOQ for OEM washing machine cleaner tablets?
A: Most Chinese factories ask for 3,000–10,000 units per SKU. Brand groups usually ask for far more, if they accept OEM work at all. Boymay starts at 1,000 units, which lets new brands test a market before committing to a full container.
Q: Are oxygen-based or chlorine-based tablets better for export markets?
A: For most export markets, oxygen-based tablets are the safer choice. They're gentler on seals, safe for HE machines and easier to label under CLP. Chlorine tablets clean mold well but carry more hazard statements, and any disinfection claim triggers EPA or BPR registration.
Q: Which documents should a supplier provide?
A: At minimum, ask for a 16-section SDS, a COA for each batch, REACH/CLP compliance statements and third-party test reports for active content and disintegration. If the product will ship by sea, also confirm the UN transport classification.
Q: How should bulk washer cleaner tablets be stored to prevent caking?
A: Keep them below 30 °C and below 60% relative humidity, sealed in moisture-barrier packs. Don't break master cartons until you need them. Ask your bulk washer cleaner tablet supplier for a desiccant spec and real humidity test results.
Q: How long does private-label development take?
A: Samples usually take 7–14 days, and artwork approval about a week. Mass production then takes 25–30 days. Allow roughly 6–8 weeks from brief to shipment, plus ocean transit.
Q: Are effervescent washer cleaning tablets safe for HE and front-load machines?
A: Yes, if they're low-foaming and oxygen-based. Look for low surfactant content, a pH below 11 and full disintegration in under five minutes. Avoid high-foam formulas in HE machines, because the excess suds can trigger error codes.