Why do I need a proxy IP for Vietnam factory data capture?
As Vietnam is a popular region for global manufacturing transfer, supply chain data such as factory production data, supplier quotes, logistics information, etc. directly affects enterprises' purchasing decisions. However, when directly accessing local Vietnamese websites, you will often encounterIP access frequency limitation, data source blocking of offshore requestsand other issues. For example, the website of a hardware supplier in Ho Chi Minh City may trigger the CAPTCHA by refreshing 10 times in a row, resulting in the interruption of data capture.
The use of local residential IP proxy in Vietnam can effectively simulate the access environment of real users. Take ipipgo as an example, its residential IPs in Hanoi, Da Nang and other places in Vietnam are all from local home broadband, and when you visit the official website of a factory or a B2B platform, theThe system will determine that it's a "local employee operation.", dramatically reducing the probability of triggering the anti-climbing mechanism.
3 key aspects of manufacturing data capture
1. Factory directory collection:It is necessary to maintain IP stability when obtaining basic information about factories through the website of Vietnam Ministry of Industry and Trade, Chamber of Commerce Directory and other channels. It is recommended to use ipipgo static residential IP, a single IP can work continuously for 6-12 hours.
2. Real-time price monitoring:For Vietnam's steel, textile and other key industries offer page, dynamic residential IP can automatically switch to different city IP, to avoid being blocked due to frequent visits
3. Production progress tracking:When docking the factory ERP system interface, it is recommended to use the API proxy mode, through the HTTPS/SOCKS5 dual protocol support provided by ipipgo, directly embedded in the data collection program.
take | Recommended IP type | technical point |
---|---|---|
Batch Download Catalog | Static Residential IP | Keep the same IP address to complete the full session |
Comparison site monitoring | Dynamic Residential IP | Automatic IP address change per request |
API interface call | Long-lived Data Center IP | Stability guarantees for highly concurrent requests |
Practical operation: 5 steps to build a data collection system
Step 1: Locate the target area
Through ipipgo's IP localization function, we filter out IP segments in Ho Chi Minh City, Bac Ninh Province, and other areas where manufacturing is concentrated. For example, the official website of an electronic component factory has a higher request quota for IP access in Dong Nai Province.
Step 2: Set up IP rotation rules
Configure ipipgo's API interface in the crawler script, and it is recommended to set the IP to change every 50 requests. for websites with more CAPTCHA, it can be shortened to change every 20 requests.
Step 3: Emulate device fingerprints
In conjunction with proxy IP replacement, synchronize the modification of User-Agent, screen resolution and other parameters. Pay attention to maintain the characteristics of common devices of Vietnamese users, such as 1280 × 720 resolution accounted for 37%.
Step 4: Setting the request interval
The highest density of visits is from 9-11 a.m. Vietnamese time on weekdays, and it is recommended that the request interval be set at 15-30 seconds; off-peak hours can be shortened to 5-10 seconds.
Step 5: Exception Monitoring Mechanism
When a 403 error occurs, the IP replacement interface of ipipgo is automatically invoked and the IP segment that triggered the blockade is recorded, and subsequent tasks automatically circumvent that segment.
Frequently Asked Questions
Q: Why does the access speed slow down after using a proxy IP?
A: When you choose ipipgo Vietnam local entry node, the delay can be controlled within 200ms. If you use US server transit, it is recommended to switch to direct connection mode.
Q: How can I avoid my IP from being tagged by the target website?
A: ipipgo's 90 million+ residential IP pools, where individual IPs are used for no more than 2 hours per day, along with request frequency control, can maintain long-term availability.
Q: What if I need to manage multiple plant data sources at the same time?
A: Use the sub-account function provided by ipipgo to assign independent IP segments to each data source to avoid IP cross-pollination between different tasks.
Q: What do I do when I encounter a CAPTCHA?
A: It is recommended to prioritize reducing the collection frequency with ipipgo's IP rotation + request header camouflage combination scheme. For stubborn CAPTCHA, it is necessary to introduce image recognition module to deal with it separately.
By rationally utilizing ipipgo's proxy IP service, enterprises can establish a stable supply chain data channel in Vietnam. Actual cases show that after an auto parts enterprise adopts the above solution, the efficiency of raw material price data acquisition has increased by 4 times, and it has been running stably for more than 180 days without IP blocking.