0Suppliers
9Customers
1Debt Items
15Related Chains

Source-Backed Evidence Depth

J-Star Holding Co., Ltd. (YMAT) is shown with relationship data already present in ChainSifter's database. Counts below come from stored supply-chain records and filing/source URLs where available; missing source URLs are not filled in or estimated.

11Total relationships
1Distinct source URLs
7High confidence
0.798Average confidence
2026-10-28Latest database update
ChainSifter does not infer unreported suppliers, customers, ownership, acquisitions, debt exposure, revenue dependency, or future supply-chain events on this public page.

J-Star Holding Co., Ltd. Suppliers

No suppliers on recordJ-Star Holding Co., Ltd. does not appear to disclose named supplier relationships in its verified regulatory filings, or upstream suppliers have not yet been identified. Our system processes new filings continuously.

J-Star Holding Co., Ltd. Customers

TickerNameConfidenceEvidence
GERMANY GERMANY 90% the revenue from customers in Italy, Switzerland, Spain and Germany represented approximately 41.1%, 6.2%, 0.8%, and 12.7%, respectively, of our total revenue for the year ended December 31, 2023
ITALY ITALY 90% the revenue from customers in Italy, Switzerland, Spain and Germany represented approximately 41.1%, 6.2%, 0.8%, and 12.7%, respectively, of our total revenue for the year ended December 31, 2023
JAPAN JAPAN 90% the revenue from customers in Switzerland, Italy, Japan and Germany represented approximately 2.16%, 58.18%, 2.16% and 9.45%, respectively, of our total revenue for the year ended December 31, 2024
SPAIN SPAIN 90% the revenue from customers in Italy, Switzerland, Spain and Germany represented approximately 41.1%, 6.2%, 0.8%, and 12.7%, respectively, of our total revenue for the year ended December 31, 2023
SWITZERLAND SWITZERLAND 90% the revenue from customers in Italy, Switzerland, Spain and Germany represented approximately 41.1%, 6.2%, 0.8%, and 12.7%, respectively, of our total revenue for the year ended December 31, 2023
DG-CO-LTD DG-CO-LTD 62% ule of Contract liabilities (i) The Group has recognized the following revenue-related contract liabilities: As of As of December 31, 2025 December 31, 2024 Contract liabilities - receipts in advance…
DONGGUAN-YUANTAI-SPORTS-EQUIPMENT-CO-LTD DONGGUAN-YUANTAI-SPORTS-EQUIPMENT-CO-LTD 62% it fails to provide justifiable reasons for the relevant goods that are lost or short in quantity or whose records are untrue, a fine of 5% up to 30% the value of goods may be imposed upon, and the i…
PREDECESSOR-GROUP PREDECESSOR-GROUP 62% elationships with our key customers through our Predecessor Group, which connect us to internationally reputed sports brands (including their distributors), such as Colnago, Tecnifibre and Groupe Mag…
TAIWAN-THE-GROUP TAIWAN-THE-GROUP 62% venue Non-current assets Revenue Non-current assets Taiwan $ 106,990 $ 914,736 $ 87,641 $ 813,261 China 181,233 - - - Others 9,638,296 342,892 17,476,344 332,966 $ 9,926,519 $ 1,257,628 $ 17,563,985 …

J-Star Holding Co., Ltd. Debt Obligations

InstrumentDescriptionConfidenceEvidence
YMAT-DEBT Debt stack $12.7M 90% Market cache reports total debt of $12.7M.

J-Star Holding Co., Ltd. Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for J-Star Holding Co., Ltd..

J-Star Holding Co., Ltd. Ownership

HolderNameConfidenceEvidence
YMAT-OWNER-CITADEL-ADVISORS-LLC CITADEL ADVISORS LLC 90% 13F overlay lists CITADEL ADVISORS LLC as top holder; 2 tracked holders.

J-Star Holding Co., Ltd. Extended Supply Chain Network

TickerNameChain IndexHopsRelationship Types
SPAIN SPAIN 60.75 1 ['receiving']
JAPAN JAPAN 60.75 1 ['receiving']
ITALY ITALY 60.75 1 ['receiving']
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YMAT
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Verified relationships include:
GERMANYGERMANYCustomer90%
ITALYITALYCustomer90%
+7 more relationships locked
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