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Q How can I get a quotation?
A 您可以通过网站底部的“Contact Us”表格提交需求，或者直接发送邮件至我们的官方邮箱 ，我们的专业团队会在 24 小时内回复您。
You can reach us through the "Contact Us" form on our website or email us directly at sherrishi@teejoin.com. Our technical sales team will respond within 24 hours.
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Q How do you handle quality claims?
A Every production batch undergoes strict QC inspection, and retain samples are kept for traceability. If a quality issue arises, we provide a full investigation and replacement/credit as per our quality agreement.
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Q What is the typical lead time?
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In-stock items: 7-15 business days.
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Standard production: 20-45 business days.
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OEM/New mold projects: Usually 45-60 days, depending on the complexity of the design.
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Q Can I request free samples for testing?
A Yes. We understand the importance of validation. We typically provide free samples for quality evaluation; customers are only responsible for the shipping costs.
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Q What is the Minimum Order Quantity (MOQ)?
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Q What materials are used in your laboratory consumables?
A We use premium, medical-grade virgin polypropylene (PP). Our materials are selected for high chemical resistance, low heavy metal content, and superior clarity to ensure experimental accuracy.
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Q Do you offer OEM/ODM services?
A Absolutely. This is our core strength. We provide a "one-stop" solution from mold design and precision injection molding to customized packaging. We can tailor products to specific requirements, such as low-retention surfaces or unique color coding.
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Q Are your products compatible with major automated systems?
A Yes. Our robotic pipette tips are precision-engineered to be 100% compatible with mainstream automated workstations such as Hamilton, Tecan, Beckman, Agilent, and Eppendorf.
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Q What is your manufacturing environment?
A Our products are manufactured in integrated Class 100,000 (ISO Class 8) and Class 10,000 cleanrooms. This ensures all consumables are free from DNase, RNase, and Pyrogens.
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Q What international certifications does MDHC hold?
A We adhere to rigorous global quality standards. Our facility is ISO 13485 certified for medical device quality management. Most of our products are CE marked and comply with FDA registration/listing requirements.
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Q What are MDHC’s core product categories?
A MDHC specializes in high-quality laboratory consumables and medical devices, including Life Science research tools (pipette tips, centrifuge tubes), In Vitro Diagnostic (IVD) components, specimen collection systems, and precision medical molds.
