Senlan specializes in the manufacturing and export of GBFS and GGBFS for the cement and concrete industry. Since 2015, we have supported customers across the United States, Europe, and Australia with reliable, consistent supply for large-volume projects.
Backed by large raw-material reserves, port-based stockyards, and integrated logistics and quality control, we deliver stable quality and efficient international shipments worldwide.
Leading GBFS & GGBFS Manufacturer and Export Partner in Northern China
Why Choose Senlan Trading
We combine manufacturing capability, deep expertise in GBFS & GGBFS, and reliable international trade execution to support long-term, large-volume supply for global construction and infrastructure projects.
Integrated Supply Chain
Through an integrated supply network across the Tangshan–Qinhuangdao industrial corridor, Senlan combines strong resource integration with reliable quality control. Direct access to production, storage, and logistics ensures stable supply, consistent quality, and timely delivery for every shipment.
Quality You Can Trust
Strict quality control supported by third-party inspection, standardized testing, and consistent specifications to meet international construction material requirements.
We ensure a clear competitive edge—delivering superior quality at comparable prices, and more competitive pricing for equivalent quality.
GBFS & GGBFS Expertise
Focused specialization in blast furnace slag materials, with strong technical understanding of cement and concrete applications to support informed purchasing decisions.
Dedicated Trade Support
Professional coordination covering FOB or other negotiable terms, documentation, inspections, and logistics—ensuring smooth execution from order confirmation to final delivery.
Feature Products
Granulated Blast Furnace Slag（GBFS）
Ground Granulated Blast Furnace Slag（GGBFS）
High Calcium Limestone
Clinkers
OUR CAPACITY AND LOADING SCENE
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![Port loading scene]()
Port loading scene
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![A row of large white bags of ground granulated blast furnace slag standing against a brick wall in a storage area.]()
GBFS in Jumbo Bags
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![GBFS bulk loading into trucks]()
GBFS bulk loading into trucks
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![Port capacity]()
Port capacity
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![Several large orange industrial cranes are lined up at a port, with a clear blue sky in the background.]()
Port crane
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![A construction site with a large crane lifting a black and gray container over piles of sand or gravel, with a clear sky in the background.]()
GBFS Bulk Loading via Portal Crane
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![Industrial factory with large metal machinery, ductwork, and yellow safety railings against a blue sky.]()
GGBFS Grinding System
4,000,000 MT GBFS and 900,000 MT GGBFS shipped this year.
Executed with scale, discipline, and control.
4,000,000 MT of GBFS. 900,000 MT of GGBFS. Here’s How We Delivered.
Over the past year, Senlan Trading has supplied 4,000,000 MT of GBFS and 900,000 MT of GGBFS to both domestic and global markets. This performance is supported by our integrated delivery chain — from long-term partner factories to port handling and shipment — ensuring stable capacity, consistent quality, and reliable execution.
Our scale is built on proven capability, disciplined logistics, and trust earned through repeat delivery.
Our Global Footprint Across China and International Markets
At Senlan Trading, we believe long-term success is built on quality, integrity, and trust. We conduct our business with professionalism, responsibility, and a commitment to doing things right—every time.
Quality is our foundation. Integrity guides our decisions. Clear communication and accountability define how we work with our partners.
We value teamwork, respect, and continuous improvement, believing that strong relationships and shared goals create lasting success. Senlan is committed to responsible growth and long-term cooperation, moving forward together with confidence and trust.
Our Company Philosophy
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