Chem Service公司成立于1962年，专注于制造高品质、高纯度的标准物质。

Established in 1962, Chem Service is accredited to ISO Guide 34:2009, ISO/IEC 17025:2005, and registered and certified to the ISO 9001:2008 Quality Management System for the design, development, production, distribution, and servicing of organic neat and synthetic reference materials.

Chem Service, Inc. produces high purity standards for use as reference materials and for other laboratory purposes. More than 95% of our Standards Grade materials have a certified purity of 98.0% or greater and do not require purity corrections when preparing solutions for use with EPA, USTM, UST, and numerous other international methods. You can trust that our high purity standards are a quality product.

Standards Grade chemicals are clearly labeled with an expiration date that is based on years of experience in handling and testing. Products are packaged in small quantities to minimize storage, waste, and disposal requirements. Organic and inorganic chemicals, solutions, and mixtures are available to meet a wide range of specialized laboratory needs.

荷兰Duchefa Biochemie B.V.公司作为DUCHEFA FARMA BV的基础上成立于1989年，而后者50多年来一直为世界各药厂和医院提供生化试剂以及药物原材料。1989年，身处在农业和花草业方面以及国际贸易有着悠久历史的荷兰，Duchefa公司成立了植物组织及细胞培养实验室，开始向世界提供各种高质量植物组培产品。十多年以来，这些产品已经广泛应用在世界各国一流大学的实验室研究，以及植物细胞组织相关的研发中。在Duchefa公司主要提供植物细胞和组织培养基、各种植物生长调节剂、抗生素、植物胶凝、酶作用底物、植物分子生物化学试剂以及种子病原体检测试剂，种类超过400种的试剂用于植物生物技术开发以及植物病理学研究。

Duchefa Biochemie bv offers a whole range of plant tissue culture media, biochemicals, containers, bioreactors and alot of other products needed for micro-propagation. All media are produced in our own laboratories and custom made media are produced for many customers.

主要产品类型：

ENZYMES

GELLING AGENTS

GROWTH REGULATORS

PHYTOPATHOLOGICA & MICROBIOLOGY

PLANT TISSUE CULTURE MEDIA

PTC CONTAINERS

REAGENTS & BIOCHEMICALS

UTENSILIA

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艾美捷科技有限公司

全国服务热线：400-6800-868

邮箱：sales@amyjet.com

网站：www.amyjet.com

STRECK, Inc.成立于1971年，是一家行业领先的专注于临床和科研产品研发与生产的公司。STRECK秉承创新、品质、服务的理念，为患者提供更快速准确的检测结果。STRECK的核心为稳定保存系列产品，其包括Cell Free DNA BCT、Cell Free RNA BCT、Cyto-Chex BCT、Cell Free DNA Urine Preserve及STRECK Cell Preservative， 该系列产品已广泛应用于临床研究、药物研发及疾病诊断等领域。

Established in 1971, Streck’s founder, Dr. Wayne Ryan, developed the company’s core technology of cell stabilization at a time when blood cells were still being counted manually using microscopes. Dr. Ryan, with a fierce passion for science and innovation, discovered that by isolating and stabilizing platelets, our laboratory scientists were able to facilitate automatic counting, leading to the development of an accurate system for calibrating platelet-counting devices.  It was a profound breakthrough for hematology laboratories around the world – one that fueled our pursuit of innovative solutions for the clinical laboratory.

Streck的主要产品包括：

（1）标物

Body Fluids

Flow Cytometry

Chemistry

Hematology

Sickle Cells

Urinalysis

（2）收集

Collect Tubes

Preservatives

Thermometers

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艾美捷科技有限公司

全国服务热线：400-6800-868

邮箱：sales@amyjet.com

网站：www.amyjet.com