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chemnet is the chemical trading platform connect chemical buyers and chemical sellers with chemical search engine of chemical supplrs and chemical products.

科希曼(www.kochem.cn)德国超低温空气能热泵专家、空气能行业标准主笔起草单位、北京天津等煤改电 中标企业，专业从事空气源热泵、德国空气能、空气能取暖、地暖、热水器、地暖空调一体机、超低温空气能、地暖空调、商用热水供暖工程等产品的研发、生产 、销售和服务，咨询热线4009901699。

acs is the worlds largest scntific socty and the premr home of chemistry professionals. find career opportunits, educational resources and more.

淄博韩锦氧化铝厂家（www.hanjinchem.com）是专业生产高温氧化铝、氧化铝微粉、高温氧化铝微粉，价格优惠。价格咨询电话：13805330457

上海樱拓贸易有限公司专业代理各大品牌电子元器件，日本nippon chemicon(ncc电容|黑金刚电容)原厂授权中国区总代理。公司代理的各类被动、主动电子元器件产品，广泛应用于各大电子产品制造领域。公司专业为客户提供多元化的电子元器件选型方案和技术支持，真诚欢迎新老客户联系合作！

上海森斐化学品有限公司(www.senfeichem.com)是酒石酸钾钠,九水偏硅酸钠,五水偏硅酸钠现货供应商

export and exporters from poland. direcry of compans in categors: building, chemistry, wood, education, electric energy, mining, computer scnce. base of polish exporters and compans. invest in poland.

汽车门网（www.qichemen.com）是一家专业的汽车质量投诉解决与产品可靠性研究平台，一对一投诉沟通，百分百投诉回应，帮助消费者解决用车难题，同时对产品可靠性进行研究，为消费者购车提供重要参考

买化塑ibuychem.com专注提供化工、塑料、精化等化塑b2b电子商务，秉承寻源、降本、增效的原则，通过找求购、看行情、查物性、访专家、学技术、找物流、做交易和供应链等在线化场景服务，结合产业峰会、供需见面、技术论坛、专家沙龙等线下活动，线上和线下相结合赋能化塑产业实现转型升级。

chemicalbook is a platform dedicated provide the most valble resources for chemical industry users. here you can get chemical inion (such as chemical physical properts, safety data, excellent china supplrs and their web addresses and etc.)by searching the , cas number, molecular f

上海国际化工机械主题展，展品涵盖过滤分离设备、防腐设备、化工环保设备等，集聚石油化工，医药化工，基础化工等观众资源为化工行业提供解决方案的一站式采购平台。

全球化工设备网(chemsb.com)全球专业的化工设备、化工机械门户网站。化工设备、化工机械用户，制药设备用户，环保设备用户理想的采购平台。欢迎访问全球化工设备网

ist ag – your supplr and partner for physical, chemical and biological sensors

前衍化学平台biochemsafebuy是专业的化学品采购平台，为化工厂、制药公司、生物医药、化学定制、有机合成实验室、科研机构、贸易商提供产品搜索、价格查询、在线买卖的服务，具备下单有奖励，违约可赔付的特色。全国免费客服电话：02781293128

网盛生意宝旗下专业化工网站，化工网提供化工市场行情及化工产品交易信息，包括化工产品数据库、化工供求信息、reach服务、化工搜索、化工资讯、化工会展、化工人才等栏目。

bridgesne corporation is the worlds largest tire and rubber company. in addition tires, bridgesne manufactures diversifd products, which include industrial rubber and chemical products as well as sporting goods.

中国石油和化工行业门户网站、贸易平台。由资讯中心、行业招标、26个化工品专业市场、20个化工设备专业市场、化工英才网等组成。做石油、做化工,要找chemall

skyherb belves nature is the greatest chemist there is. and it is nature that we turn when seeking solutions for our cusmers in dtary supplement, food, pharmaceutical and personal care. we specialize in the extraction technology of natural ingrednts. please join us in this wondrous advent

skyherb belves nature is the greatest chemist there is. and it is nature that we turn when seeking solutions for our cusmers in dtary supplement, food, pharmaceutical and personal care. we specialize in the extraction technology of natural ingrednts. please join us in this wondrous advent

harlan mall is an ideal trading platform for domestic and foreign chemical compans. it is a chemical mall that gathers inion on the supply and purchase of a large number of chemical products, including chemical reagents and other product inion

化工资源网，中国化工产品供求信息推广网站，中国化工资源网，chem.net，化工产品，化工采购，化工需求，化工供应，化工原料，化工信息，化工网，worldwide chemical network

search, free inquiry, enhanced encyclopedia. molbase is one of the largest integrated platforms for chemical ecommerce.

search, free inquiry, enhanced encyclopedia. molbase is one of the largest integrated platforms for chemical ecommerce.

中华化工网致力于提供化学试剂,通用试剂,分析试剂,有机试剂,无机试剂,精细化工,化工机械,化工设备,石油,化工,塑料,橡胶,煤化工等产品的网上交易服务，化工新闻栏目包括化工供求信息，塑料供求，煤化工供求信息，化肥供求，石油供求，化工海运空运信息等。

chemnet is the chemical trading platform connect chemical buyers and chemical sellers with chemical search engine of chemical supplrs and chemical products.

chemindex.com is the online chemical cas database and chemical supplrs direcry for global and china chemical supplrs

科希曼(www.kochem.cn)德国超低温空气能热泵专家、空气能行业标准主笔起草单位、北京天津等煤改电 中标企业，专业从事空气源热泵、德国空气能、空气能取暖、地暖、热水器、地暖空调一体机、超低温空气能、地暖空调、商用热水供暖工程等产品的研发、生产 、销售和服务，咨询热线4009901699。

zkchem中科化学专业的水处理药剂生产商、服务商 主要产品：水处理药剂、反渗透阻垢剂、缓蚀阻垢剂、杀菌灭藻剂、阳离子、污水药剂、生物酶药剂、水处理化学品。服务区域：北京市，山西省，河北省，内蒙，山东，安徽，河南等大中小城市！

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优润新材(uchem)，技术来源于美国uchem international公司位于加州的研发中心,致力于新型纳米材料在环保水性产品中的研究，开发，生产和销售的新型材料企业。优润新材以纳米分散和聚合物包覆表面处理为核心技术，为客户定制开发适合于水性产品应用的特殊材料，协助客户解决水性产品应用的部分难题。优润新材由色浆，助剂，铝银浆和蜡产品4个业务单元组成，为各行业客户提供定制化的应用解决方案。

computer algebra and orthogonal polynomials (caop) is a web ol for calculating formulas for orthogonal polynomials belonging the askeywilson scheme using maple.

连云港市瀚森化工有限公司以经营化工原料及产品为主，经营品种涉及苯类、醇类、酯类、酮类、溴化物及氯化物系列化工产品。电话：13805130506

上海化工研究院有限公司（上海坦联化工科技）(www.ybchemical.net)专业提供常量红外线气体分析仪,微量红外线气体分析仪等产品信息,上海化工研究院有限公司（上海坦联化工科技）不仅具有精湛的技术水平，更有良好的售后服务和优质的解决方案,欢迎来电洽谈!

tongda pump,pipe pump,chemical pump_hebei tongda pump co., ltd is located in baoding city of hebei province, tongda pump has won the award of creditable company