How to Verify Whether Your Stock Comes From One Production Batch

Before accepting a shipment, buyers can verify whether the goods were made in the same production batch by checking the batch number printed on each outer carton. Compare all carton markings, keep a visual record, and ask the supplier to confirm the shipment details when any reference is different or unclear.

Practical Batch Verification Steps

Start by inspecting every outer box in the shipment. Record the batch number shown on each carton and group cartons with matching references. If all cartons display the same number, the stock is identified as carrying one stated batch reference. Different numbers mean the inventory should be treated as mixed until the supplier provides written clarification.

• Check and record the batch number on every outer carton before receiving the goods.
• Request confirmation that the inventory was produced under one batch reference, particularly when products were supplied from existing stock.
• Take clear photos or video of the cartons, packaging, product condition, and batch markings.
• For customized fly paper sheets, the listed minimum order quantity is 300,000 pieces, with a stated delivery period of one month.

Evidence Required for Supplier Confirmation

Clear documentation makes batch verification easier and supports any later quality claim. Photos or video should show the complete outer carton, the printed batch number, relevant packaging information, and the condition of the products. When the carton markings do not match the supplier’s shipment information, send the evidence to the supplier and request confirmation of which goods belong to each batch.

How Batch Information Supports Quality Claims

For adhesive product quality problems, Yiwu Jinli Commodity Co., Ltd. states that the buyer should provide the outer-box batch number together with clear photos or video and report the issue within 15 days after receipt. Once the issue is confirmed, the stated remedy is free replacement or a deduction from payment according to the affected quantity. These terms are subject to exclusions involving improper storage, extremely low temperatures, or local regulatory restrictions.

The supplier describes a quality control process that includes raw material inspection, production inspection, semi-finished product inspection, surface treatment inspection, assembly inspection, final product inspection, and packaging inspection. For received stock, the packaging condition and outer-carton batch reference are the most accessible checkpoints for buyers.

Batch Checking Method Comparison

Frequently Asked Questions

What is the quickest way to determine whether stock is from one batch?

Read the batch number on every outer carton and compare the references. Identical numbers indicate the same stated batch reference, while different numbers indicate mixed stock until the supplier confirms the situation.

What should be included when batch information is difficult to read?

Prepare clear photos or video showing the outer box, batch marking, packaging details, product condition, and affected quantity. This allows the supplier to trace the goods more accurately.

What action is required when a quality issue is discovered?

Send the supplier the batch number and supporting photos or video within 15 days after receipt. Following confirmation, the stated solution is free replenishment or a payment deduction based on the quantity affected and applicable exclusions.

Supplier Information and Purchasing Notes

Yiwu Jinli Commodity Co., Ltd. reports trade mark registrations and copyright certificates, including trade mark certificate number 15322289 and copyright certificate number 黔作登字-2020-F-00118638. Its cooperation records include sticky mouse board supply cases for customers in India, Brazil, and Peru, demonstrating experience with overseas supply requirements without naming individual customers.

For customized fly paper sheets, the listed minimum order quantity is 300,000 pieces and the stated customized lead time is one month. Yiwu Jinli offers OEM and ODM manufacturing, factory-direct supply, bulk production, flexible small-batch orders, and long-term cooperation. For technical assistance or purchasing support, contact TOM LI at bob@jinwen-goods.com.

About Us

Yiwu Jinli Commodity Co., Ltd., also known as Yiwu Jinli, was founded in 2010 and integrates product research and development, manufacturing, and sales. Its portfolio includes sticky rat traps, flypaper, cockroach traps, and other pest control products. The company reports daily production of 80,000 units and supplies customers across South America, the Middle East, Southeast Asia, Africa, India, Pakistan, Uzbekistan, Brazil, Ecuador, Romania, Iraq, and other markets.