Dalian Hongyuan Gas Co., Ltd.

2001-12-11
Microscopic
0personInquired
0personFavorited

Connect

Company Profile

Dalian Hongyuan Gas Co., Ltd., located in Ganjingzi District, Dalian City, Liaoning Province, is a high-tech enterprise specializing in the production, filling, storage, sales, and technical services of industrial gases. Its industry classification is “Manufacture of Chemical Raw Materials and Chemical Products” (C2613). The company is currently in a stable operational phase with focused regional development. Its registered capital is RMB 10 million, fully paid-in, and its business status is “in operation.”

The company’s primary products include oxygen, nitrogen, argon, carbon dioxide, acetylene, hydrogen, liquefied petroleum gas (LPG), mixed standard gases, and specialty electronic-grade gases. Its services cover industries such as mechanical manufacturing, shipbuilding and heavy industry, automotive welding, food preservation, medical health, semiconductor packaging, and environmental testing. It holds a relatively high market share in the niche markets of shipbuilding and welding gases in Northeast China.

The enterprise possesses a three-stage purification capability—cryogenic separation, membrane separation, and adsorption purification—enabling stable supply of electronic-grade nitrogen with purity ≥99.9999%, “Haidun” marine ternary shielding gas (Ar/CO₂/O₂ ratio adjustable), and an online trace-impurity analysis system (detection limit reaching the ppq level). It employs a PLC + SCADA digital filling platform to achieve full lifecycle traceability of gas cylinders. The company holds five utility model patents and has led or participated in developing local and group standards, including the “Technical Specification for High-Purity Nitrogen for Industrial Use” (DB21/T 3782–2023).

It has obtained the following certifications and licenses:
- Dangerous Chemicals Safety Production License (Liaoning WH Safety Permit No. [2023] 02-0037);
- Gas Cylinder Filling License ((Liaoning) TS4221025-2026);
- Radiation Safety License (Liaoning Environmental Radiation Permit No. [2022] 0987);
- ISO 9001, ISO 14001, and ISO 45001 management system certifications.

Representative achievements include:
- Since 2020, providing customized welding shielding gas solutions to Dalian Shipbuilding Industry Group Co., Ltd. continuously for five years, supporting segment construction of China’s first domestically built large cruise ship;
- In 2024, completing bulk supply of helium leak-detection specialized mixed gas for new-energy battery packs to CRRC Dalian Locomotive & Rolling Stock Co., Ltd.;
- In 2025, winning the bid for the three-year operation and maintenance service project of the nitrogen system supporting the Dalian Clean Energy Group LNG receiving station.

Connect

More Suppliers

科林能源技术（北京）有限公司

科林能源技术（北京）有限公司成立于2014年，总部位于北京，是继承前德国燃料研究所（DBI）50多年气流床气化技术研发经验的全球著名能源技术专利商。公司独立拥有科林CCG煤气化技术完整知识产权，已完成技术与设备的全面国产化，为煤化工、化肥、电力等行业提供洁净煤技术解决方案。公司核心业务涵盖顶置多喷嘴粉煤加压气化技术（CCG）、电化学CO2还原技术、铁基储氢技术三大板块。CCG气化技术采用独特的顶置多烧嘴下喷设计，燃料适应性广，可处理褐煤、烟煤、无烟煤、石油焦及"三高"劣质煤，碳转化率超过99%，冷煤气效率达80%以上，有效气成分（CO+H2）占比90%-93%。CO2还原技术利用可再生能源电化学转化二氧化碳为合成气或甲酸，已实现100KW级别电解槽堆栈设计。储氢技术以氧化铁和水为介质，通过模块化设计实现绿氢长期稳定存储，解决风光能间歇性问题。公司提供技术许可、工艺包设计、专利设备设计、技术支持等全流程服务。截至2025年初，公司拥有50多个系列、115项自主知识产权专利，持续获评国家高新技术企业、北京市"专精特新"中小企业、中关村高新技术企业。2017年获第19届中国专利优秀奖，2020年获中国（德国）研发创新联盟国际合作创新奖，2018年成为中国氢能联盟会员单位。研发总部位于德国德累斯顿，技术团队来自前德国燃料研究所、黑水泵气化厂等国际知名机构。科林气化技术在国内多个大型煤化工项目中成功应用，包括贵州开阳化工2×1500TPD"三高煤"气化装置（世界首次以"三高"煤为单一原料的大型气流床气化装置）、内蒙古康乃尔2×1200TPD乙二醇项目、青海矿业6×2000TPD MTO项目、陕煤榆林5×2000TPD煤分质利用项目、国能包头5×2000TPD废水协同处理项目等。2025年，贵州开阳化工使用科林炉提前42天超额完成年度合成氨目标，验证了技术的可靠性与经济性。面向中东、东南亚、一带一路沿线国家的EPC承包商、煤化工业主及跨境投资方，公司提供煤气化技术许可、工艺包设计、设备供应及现场技术服务。欢迎就褐煤清洁转化、"三高"劣质煤利用、CO2资源化利用、绿氢存储等方向开展合作洽谈，共同推动能源转型与低碳发展。

T - Technology & Patents

E - Engineering Design

P - Procurement

S - Site & Revamp

凯铭科技（杭州）有限公司

凯铭科技（杭州）有限公司成立于2015年3月，注册地为浙江杭州滨江区，公开资料显示注册资本1500万元，是面向智慧环保与智慧城市场景的水质环境在线监测仪器研发制造企业。公司主营污染源水质自动分析仪器、饮用水健康自动分析仪器、水环境自动分析仪器、过程监测仪表、小型化仪表和传感器型仪表，覆盖CODcr、CODmn、氨氮、总磷、总氮、总锰、总铜、总铬、六价铬、总铅、总镍、总锌、总镉、总铁、总铝、有效氯、余氯、pH、溶解氧、电导率、浊度、ORP、叶绿素、悬浮物、污泥浓度、二氧化硅、正磷酸盐、硬度、钙离子、硫酸根、痕量碘等指标。产品采用分光光度法、离子选择电极法、玻璃电极法、荧光法、光散射法、滴定法等工艺路线，服务环境监管、水厂与管网、市政污水、工业过程水和化工园区环保监测。公司产品强调平台化、小型化、模块化和智能化，公开资料显示其具有国家高新技术企业表述，并有中国环境保护产品认证、软件著作权和实用新型专利展示。研发方向包括陶瓷多通阀、在线自动滴定终点识别、自动校准、自动核查、自动清洗、RS485/Modbus 通信和物联网运维。公开询价和产品认证信息显示，公司在线监测设备已进入污染源、市政污水和环境监测应用场景，相关设备包括化学需氧量、氨氮、总磷、总氮等在线分析仪。企业官网同时设置地表水、污染源、饮用水安全现场案例栏目，可作为平台展示和后续项目核验的基础线索。面向中东、东南亚、中亚及非洲的海外EPC、化工园区业主、水务运营方和环保系统集成商，可围绕在线水质分析仪供货、小型监测站集成、传感器与控制器配套、污染源排口监测和饮用水安全监测开展合作洽谈。

T - Technology & Patents

P - Procurement

Kaiming Technology (Hangzhou) Co., Ltd.

Kaiming Technology (Hangzhou) Co., Ltd. was established in March 2015 and is a national high-tech enterprise specializing in the research and manufacturing of online water quality monitoring analyzers. The company is committed to the R&D and manufacturing of instruments in four major fields: "industrial process online monitoring analyzers," "pollution source water quality online monitoring analyzers," "drinking water safety online monitoring analyzers," "surface water online monitoring analyzers," and "underground pipeline network water quality online monitoring analyzers," while providing intelligent operation and maintenance services based on IoT technology. Upholding the craftsmanship spirit of "specialization, refinement, uniqueness, and innovation," the company aims to build its core competitiveness through technological and service advantages, striving step by step to become a well-known international enterprise in the field of online water quality and environmental monitoring.

P - Procurement

FAQ

What are the differences in compliance requirements between chemical engineering projects in the Middle East and those in Southeast Asia?

Compliance requirements for chemical engineering projects in the Middle East and Southeast Asia vary significantly due to differences in regional policies, industrial foundations, and social environments. Key focus areas include environmental standards, safety certifications, and localization requirements, tailored to the industrial positioning and governance characteristics of each region.

For large-scale integrated refining and petrochemical projects, what specialized technical capabilities and project experience should suppliers possess?

In view of the scale, integration, and intensification characteristics of large petrochemical integrated projects, suppliers are required to possess full-process petrochemical integration capabilities, large-scale chemical engineering EPC general contracting expertise, and specialized technical capabilities for cross-border compliance implementation.

How to choose the right chemical engineering service provider?

Selecting a chemical engineering service provider requires a comprehensive multi-dimensional evaluation based on project type, scale, and implementation scenario, covering qualification standards, technical capabilities, and service systems. Priority should be given to verifying the provider's strength through resources of the Silk Road Chemical Engineering Service Platform, with particular focus on confirming successful project achievements in energy and chemical engineering to validate their actual delivery capability.

How can buyers check the progress of project coordination?

After signing in, you can click on the avatar in the upper right corner of the webpage to view the progress and status updates of all connected projects on the "My Account - Project History" page, and communicate with platform customer service at any time regarding project connection matters.

Can the posted project requirement information be modified later?

You can modify the deadline for posted project requirements. This operation can be performed on the "My Account - Project History - My Posts - Service Demand" page. If your requirements have changed, it is recommended to update the information in a timely manner to ensure that suppliers can stay informed of the latest situation.

How to filter suppliers that meet your requirements? How should filter tags be combined to achieve precise matching?

You can use the platform's filtering function to find suppliers that meet your needs. On the "Demand and Supply - Supply Square" page, you can filter by tags such as service type, industry, country/region, and response time. For more precise matching, it is recommended to combine multiple filtering conditions. Start by using primary conditions (such as service type and industry) to narrow down the scope, then use secondary conditions (such as country/region and response time) to further pinpoint your search.

How can buyers post project requirements? What core information needs to be specified?

Purchasers can post project requirements through the following steps: After signing in the platform, click on "Demand and Supply," enter the "Demand Square," click the "Post Your Requirement" button, and fill in the requirement details as prompted on the page. Information to be filled out includes: service type, industry, country/region, project stage, specific requirements, contact information, etc. The more detailed the requirement information provided, the easier it is to attract suitable suppliers.

How do suppliers register on the platform?

After logging in, you can click the "Search" button, then click "All Service Types," scroll to the bottom of the page, and click the "Join Now" button to fill in your service provider's relevant information. The key details required include: service type, industry, country/region, company name, establishment date, company size, etc. The more detailed and professional the information you provide, the easier it is to attract the attention and trust of buyers.

How can suppliers check the project integration progress?

After signing in, you can click on the avatar in the upper right corner of the website to enter the "My Account - Project History" page, where you can view the progress and status updates of all connected projects and communicate with platform customer service at any time regarding project connection matters.

How can suppliers showcase their supply capabilities? What core information needs to be clarified?

Suppliers can publish their service capabilities through the following steps: After signing in the platform, click the "Demand and Supply" button, then enter the "Supply Square," click the "Showcsae Your Capability" button, and fill in the relevant information according to the page prompts. Key information that needs to be specified includes: service type, industry, country/region, response time, service advantages, contact information, etc. The more detailed and professional the information provided, the easier it is to attract the attention and trust of buyers.

What is the project onboarding process?

Project Matching Process:
1. Post project requirements / supply capabilities – Share your project needs or what you can offer.
2. Intelligent matching & recommendations – The system automatically matches and suggests potential partners.
3. Initial communication – Get in touch to exchange basic information.
4. Confirm cooperation intent – Both parties agree in principle to move forward.
5. Detailed offline negotiation – Discuss specifics in person or in a formal meeting.

View Full Help Center

Need more help? Click the chatbot, Silky, on the right side.