Tianjin Yunhai Carbon Element Product Co., Ltd. is a leading manufacturer and trading company based in Tianjin, China, specializing in carbon-related products and chemicals. Established in 2002, the company has grown to employ 201-300 people and operates a factory exceeding 100,000 square meters. They are recognized as the first calcined petroleum coke producer in Tianjin and have been a top exporter among privately-owned enterprises in the region since 2004. The company holds ISO 9001 certification and 28 practical new-type patents, emphasizing advanced production equipment, rich technical expertise, and stringent quality control through their own laboratory. Their core products include Calcined Petroleum Coke (CPC), available in low, medium, and high sulfur varieties, and Caustic Soda (NaOH), also known as Flake Caustic Soda or Solid Sodium Hydroxide. CPC is a high-quality raw material for industries such as graphite electrodes, graphite, cathodes, and carbon electrodes, with an annual production capacity of 250,000 tons. Caustic Soda, with an annual output of 50,000 tons, is a foundational chemical widely used in textiles, printing and dyeing, enamel, papermaking, synthetic detergents, agriculture, metallurgy, food, and rubber industries. Tianjin Yunhai Carbon Element Product Co., Ltd. utilizes waste heat from calcining stoves to produce industrial-grade Caustic Soda, demonstrating efficient resource utilization. Their products are exported globally, with a significant market share in the Asian-Pacific region for Calcined Petroleum Coke and Carburant. The company's strategic location near Tianjin Airport and Xingang Port facilitates convenient international trade.
High Carbon and Low Sulfur Pitch Coke (YH-PC-02)$450
MID Sulfur High FC Calcine Petroleum Coke$400
Qingdao Yuehai Aquarium Technology Co., Ltd.
🇨🇳 China
201911-50 peopleManufacturer/Trading Company
Product customization
OEM manufacturer
ODM manufacturer
Low MOQ
Shipments
38
Key customer
AQUA NATURE
Key market
🇸🇪 Sweden
Description
Qingdao Yuehai Aquarium Technology Co., Ltd. is a specialized manufacturer and trading company based in the coastal city of Qingdao, China. Established in 2019, the company has quickly become a professional provider of marine technology solutions, focusing on the research, development, and production of four primary product series: high-grade aquarium sea salts, water quality testing kits, water quality adjusters, and aquarium water additives. Their specialized salt formulations include LPS and SPS coral sea salt, jellyfish sea salt, marine mammal sea salt, and high-end seafood sea salt for aquaculture and live lobster farming.
The company's technical leadership is anchored by a Chief Technology Officer with a PhD in Analytical Chemistry and over 26 years of experience in chemical R&D and quality control. This expertise ensures that their products accurately maintain critical parameters such as pH, KH, and trace element levels necessary for the growth of sensitive aquatic organisms. Qingdao Yuehai operates a factory with ISO 9001 certification and offers comprehensive OEM and ODM services, including private label manufacturing.
With a workforce of 11 to 50 employees, the company serves a diverse international and domestic clientele. Their domestic partners include major institutions such as Beijing Pacific Ocean Underwater World and Guangzhou Zhengjia Aquarium. Internationally, they export to over 10 countries, including the United States, Germany, Australia, and Russia. In addition to chemical products, the company provides aquarium accessories such as coral sand, filter media, and decorative driftwood to support complete aquatic ecosystem management.
Wholesale Fish Tank Reef Salt Marine Aquarium Accessories$18.9
Home Use Solutionagent Accurate Rapid Sulfate Hardness in Fish tank Aquarium Water Quality Manganese Iron test Kit Reagent$11.7
For Salt Water aquarium Good Parameters 20kg Per Carton Jellyfish Marine Sea Salt$16.74
For Aquarium Water Potassium Salt by Pallet 20kg 22kg Per Barrel Sps Coral Reef Sea Salt$19
For Seafood Exported Competitive 20kg 25kg Box Bag Barrel Aquaculture Farm Marine Crab Shrimp Sea Salt$320
Basic Ocean Sea Salt Aquarium Coral Marine Fish Tank Multimineral Glass Plastic and Acryl Packaged in Boxes and Bags$19.98
2025 Acrylic Aquarium with High Calcium Sea Salt Professional Coral Fish Tank Aquariums & Accessories$14.2
For Coral Farm Home Personal Use Aquarium Marine Led Coral Reef Lights Bar Fixture$8331.77
Wholesale Cheap Price 8W Q2 100-240V For Small Tank Reef Aquarium Led lights$15
High Quality Custom Seafood Salt for Aquarium Aquaculture Quality Glass Material Stocked Feature$14.58
Yuehai 1 Customized Aquarium Glass Dedicated for Jellyfish Sea Salt Water Usage$16.74
3.5-Gallon Aquarium with Power Filter, LED Lighting and 1-Year Supply of Filter Cartridges, Clear Betta Fish Tank$50