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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Pick the inspection level from the consequence of the defect, not from habit
Pick the inspection level from the consequence of the defect, not from habit
2026-11-01
A 500-piece lot of 9 mm screw-thread caps failed outgoing QC at 2.4% major defects (cap height out of tolerance by 0.18 mm, enough to bottom out in a Shimadzu SIL-20A autosampler tray). The AQL plan called for 50 pieces at general inspection level II, AQL 1.0. Fifty pieces would have caught it about 70% of the time. Two hundred pieces caught it every time. That gap between what the plan promised and what the plan delivered is the whole argument for treating your hplc consumables AQL samplin...
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The traceability chain has six links, and most labs can only produce four
The traceability chain has six links, and most labs can only produce four
2026-11-01
A customer audit in 2023 flagged four lots of 2 mL screw-thread vials that could not be tied to a glass manufacturer. The certificate of analysis (CoA) named the lot, the date, and a dimensional pass range, but the trail stopped at the distributor’s repackaging line. Under ISO 17025 traceability, that is a broken chain, and the lab had no way to prove the vials were the same ones tested for extractables 18 months earlier. The corrective action cost them three weeks and a re-qualificat...
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Ghost peaks are extractables with a retention time, and the material tells
Ghost peaks are extractables with a retention time, and the material tells
2026-10-31
A 20 µL injection of mobile A on a Tuesday morning gave eleven peaks between 4.2 and 9.8 minutes, the largest at 0.8 mAU·s, on a system that had passed a suitability run 14 hours earlier. The analyte peaks in that window were all below 0.3 mAU·s. Nothing had been injected into that vial. The contamination was already in the flow path, and the only question worth asking was which polymer put it there. Ghost peaks from HPLC consumables, the extractables and contamination that bleed off wetted...
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