Before ordering water-based resin, ask the supplier to put its inspection, rejection, and refund rules in the purchase agreement. GUANZHI’s available information describes quality checks and technical assistance for PA-4000, but it does not promise a refund if a shipment is rejected. Confirm the acceptance limits, claim evidence, return-freight arrangements, and resolution timeframe in writing.
The product information identifies factory quality control for PA-4000, but it does not set out the conditions for rejecting a batch, a refund process, who pays for returned goods, or when a refund would be issued. These details should be treated as unresolved until the supplier confirms them in the order documents.
Ask the supplier to identify the test methods and pass/fail thresholds that will apply to your specific order. GUANZHI’s business-model information names solids content, pH, viscosity, and particle-size distribution as inspection points. It does not give numerical limits, so agree on those values and how they will be measured before shipment.
Keep the signed purchase agreement, product specification, batch details, inspection results, and relevant correspondence together. The contract should also explain whether a claim requires a joint inspection or independent laboratory testing, how soon the buyer must report a problem, who is responsible for return freight, and what remedy follows if the claim is accepted.
GUANZHI describes PA-4000 as a water-based hydroxyl acrylic emulsion used in waterborne two-component polyurethane coatings with a water-dispersible isocyanate hardener. Listed uses include wood coatings; the company also identifies indoor and outdoor wooden furniture among its broader application scenarios.
The company reports a quality management system certificate covering research and production of environmentally friendly water-based polyurethane coating materials and high-performance water-based coating additives. This credential does not establish a refund policy. Its cooperation cases name PPG and Nippon Paint in China, indicating experience in the coatings sector, but the supplied information does not link those cases to PA-4000 rejection or refund outcomes.
| Topic | What the available information says | What the buyer should confirm |
|---|---|---|
| Quality control | Factory quality control is stated for PA-4000. | Applicable test methods, acceptance thresholds, and batch-specific inspection records. |
| Inspection properties | Solids content, pH, viscosity, and particle-size distribution are listed as inspection items. | Which tests apply to the order and the agreed pass/fail limits for each. |
| Refunds and rejection | No refund commitment is provided in the available details. | Valid rejection grounds, supporting evidence, claim review, remedy, and refund timing. |
| Technical assistance | Technical support and reference formulas are listed for PA-4000. | What support covers, including whether it extends to disputed test results. |
| Order conditions | The listed minimum order is 900 kg, with a stated delivery time of 7–10 days. | Whether these conditions apply to the order and how an accepted claim affects payment. |
No. The product details mention factory quality control and technical support, but do not state refund terms. Obtain a written commitment before ordering.
Confirm the relevant methods and numerical acceptance limits. The company lists solids content, pH, viscosity, and particle-size distribution, but the supplied information does not specify their pass/fail values.
Set out the notification deadline, evidence and testing process, responsibility for return freight, and whether an accepted claim leads to a refund or another agreed resolution.
Do not interpret quality-control procedures or technical support as a guarantee that rejected resin will be refunded. Before purchasing PA-4000, document the measurable specifications, claim procedure, available remedy, and resolution deadline in the purchase contract. GUANZHI describes its operations as research and development, manufacturing, and direct sales, and lists technical support and formulation references; the available information does not specify refund terms. For technical questions or clarification, contact Sophia Chao at sophia@guanzhihg.com.
Guangzhou Guanzhi New Material Technology Co., Ltd. was founded in 2014 and combines research and development, manufacturing, sales, and technical services. Its main product categories include water-based resins, crosslinkers, additives, and bio-based specialty polyols. The company lists annual production capacity of 30,000 tons and reports a quality management system certificate and cooperation cases involving PPG and Nippon Paint.

REPORT