ZHEJIANG AIJIREN,INC.
Zhejiang Aijiren Technology, Inc. is a global supplier of life-science, chemistry, laboratory consumables, etc. Our major products are high performance liquid chromatography & gas chromatography consumables such as Chromatography Autosampler Vials with closures, inserts, crimper and syringe filters, etc; Water analysis consumables such as COD test tube. Zhejiang Aijiren Technology,Inc. have been supplying to more than 70 countries, covers more than 2000 customers all over the world. 120 workers, 100,000 class cleaning room, ISO, GMP & Bureau Veritas certificated, this is how we keep high quality and competitive prices for global valued customers.
The Australian Customer’s V947 Autosampler Vial Order is Completed
The Australian Customer’s V947 Autosampler Vial Order is Completed
A customer from Australia talked to Aijiren’s sales manager Maggie about which Vias they needed. He said that he needed a 2ml Autosampler Vial, and Maggie asked about Screw top vial, Snap top vial or Crimp top vial. The customer asked about the differences between these three types of Vias. Maggie explained the difference between the three types of Vials and recommended Screw top Vial, stating that this type of Vials is the best-selling product, and it can also match most Autosamplers ...
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American Customer Ordered 100,000 Boxes of 9-425 2ml HPLC Vials
American Customer Ordered 100,000 Boxes of 9-425 2ml HPLC Vials
A customer contacted Aijiren through Alibaba and communicated with our sales manager Joshua. After learning about Aijiren’s situation and strength, he proposed to buy our 9-425 HPLC Vials, and they needed a lot of quantity. We first decided to send some samples to the customer. He asked for a 2ml 9mm hplc vial with graduated borosilicate glass. Therefore, we sent a few packs of 9mm short-thread sample vials V927 produced by Aijiren as samples for customers to test. Aijiren 2ml 9mm cle...
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5000-boxes-of-blue-screw-cap-10-425-hplc-vial-sent-to-singapore
5000-boxes-of-blue-screw-cap-10-425-hplc-vial-sent-to-singapore
A customer from Singapore wanted to purchase 2ml 10mm HPLC Vial. He searched for Aijiren on the Internet and contacted our account manager. Aijiren sent samples last month. After the trial, the customer placed an order for 5000 from Aijiren. Box of Blue Screw Cap 10-425 Vial. Aijiren has been working hard to produce 10-425 Vials after receiving the order, using a new and efficient production machine in the factory, and several workshops are operating at the same time, producing and packaging...
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The 31st German International Chemical Engineering, Environmental Protection and Biotechnology Exhibition (ACHEMA 2015)
The 31st German International Chemical Engineering, Environmental Protection and Biotechnology Exhibition (ACHEMA 2015)
ACHEMA 2015 ended in June 19, 2015 in Frankfurt, Germany. The exhibition is organized by the German Chemical Equipment, Engineering and Biotechnology Association, each Once in 3 years, it is the world’s largest chemical engineering and equipment exhibition and enjoys a high reputation in the global chemical industry. Many tradesmen from this industry came to the exhibition, Packaging materials, machinery for production, manufacturing and packaging of the pharmaceutical industry, chemic...
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Guaranteed, typical, and nominal are three different promises
Guaranteed, typical, and nominal are three different promises
2026-10-27
A lot certificate arrived with a column whose datasheet claimed plate count N ≥ 95,000/m for a 150 mm × 4.6 mm, 5 µm C18. The incoming test on our system gave 78,400/m, a 17% shortfall against the guaranteed number, and the vendor’s response was that the figure was “typical for the lot.” That single word, typical, is where most HPLC consumables datasheet specifications and what each value means stops being a paperwork exercise and starts costing you a sequence. I have spen...
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Station map: where control lives and where it only gets inspected
Station map: where control lives and where it only gets inspected
2026-10-27
A lot of 40,000 septa came off the line reading 41.8 Shore A on the incoming durometer check, inside the 40 ± 5 spec, and still failed at the customer’s autosampler with core push-through at 96 punctures instead of the 150 the qualification run had promised. The durometer was fine. The problem was that the 90-second post-mold cure had been trimmed to 55 seconds on the night shift, and nobody on the line was measuring crosslink density. That is the difference between a factory that con...
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USP 621 sets the performance bar, not the part number
USP 621 sets the performance bar, not the part number
2026-10-25
A validated assay that had passed three system suitability runs failed on a Tuesday with a tailing factor of 2.31 against a USP limit of NMT 2.0, and the only thing that had changed since Monday was a new case of column hardware. The method was fine. The column lot was fine. What had changed was the frit porosity on the inlet side, which had shifted from 2 µm to 0.5 µm between lots, and that was enough to change the mass transfer at the head of the bed. That is the kind of event that makes ...
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