diff --git a/_data/chains/eip155-170.json b/_data/chains/eip155-170.json
new file mode 100644
index 00000000..85f7c853
--- /dev/null
+++ b/_data/chains/eip155-170.json
@@ -0,0 +1,20 @@
+{
+  "name": "HOO Smart Chain Testnet",
+  "chain": "ETH",
+  "network": "testnet",
+  "rpc": [
+    "https://http-testnet.hoosmartchain.com"
+  ],
+  "faucets": [
+    "https://faucet-testnet.hscscan.com/"
+  ],
+  "nativeCurrency": {
+    "name": "HOO",
+    "symbol": "HOO",
+    "decimals": 18
+  },
+  "infoURL": "https://www.hoosmartchain.com",
+  "shortName": "hoosmartchain",
+  "chainId": 170,
+  "networkId": 170
+}