How to check factory production capacity in China？

3 Answers

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  When I first started importing, I made the rookie mistake of trusting whatever number a supplier quoted me. Now I always ask for their monthly output in specific units, not vague claims like "large capacity." The real trick is cross-checking that number against their actual equipment. I ask for a video walkthrough of the production floor, and I count the machines myself. If they claim 50,000 units a month but only have three injection molding machines, the math doesn't add up.
  
  Another thing that saved me was asking about their peak season. Factories often juggle multiple clients, so I ask directly: "If I place an order in September, what's your lead time?" A confident supplier will give you a realistic window. One who hesitates is probably overselling.
  
  I also request a production schedule sample, even a redacted one. It shows how they allocate line time. And never skip a video call during working hours. If the floor looks empty at 2 PM on a Tuesday, that tells you more than any spreadsheet. Finally, start with a small trial order and watch how fast they actually deliver. Capacity is proven by performance, not promises.

  matthew_garcia_2757 · just now
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  Having coordinated thousands of shipments out of China, I can tell you that the fastest way to gauge a factory's real production capacity is to look at what leaves their loading dock, not what they tell you in a WeChat message. Ask for their shipping records or bills of lading from the past six months. A genuine factory will have consistent container volumes, and those numbers tell a story no brochure ever will. I always tell clients to request loading photos or videos with timestamps, because a workshop full of idle machines means nothing if the dock is quiet.
  
  Another trick I have picked up over the years is checking their power consumption patterns or asking about their shift structure. Factories running two or three shifts are usually pushing serious volume. Also, cross reference their claimed monthly output against the number of injection molding machines, assembly lines, or CNC units they operate. If someone claims 500,000 units a month with only three machines, that math does not work. Finally, visit during a peak season if you can, or send a third party inspector unannounced. The rhythm of a busy floor is unmistakable. Trust the logistics trail, not the sales pitch.

  linda_lee_1645 · just now
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  From a customs clearance consultant's perspective, the most reliable way to verify a Chinese factory's production capacity is through the paper trail that crosses borders. I always tell clients to request the factory's customs export records, specifically the monthly declaration data from China's customs system. This shows actual shipped volumes, not just claimed capacity. You can cross-reference the HS codes and consignee names to see if they match what the factory tells you. Also, look at their import records for raw materials. If a factory claims to produce 50,000 units monthly but only imports enough components for 10,000, that's a red flag. I've seen buyers get burned by trading companies posing as factories, and customs data exposes that fast. Another trick is checking their export license scope and any duty exemption certificates, which reveal their real production scale. Finally, ask for a copy of their customs registration certificate and verify the business scope. If it doesn't include manufacturing, walk away. This approach cuts through the sales talk and gives you hard evidence.

  mary_williams_1605 · just now