Detailed Answer
Value comparison: entry-level: LDER LD-6SK from ¥268, Xingjia Xingzhi/entry series from ¥350 — LDER entry is cheaper; mid-range: LDER LD-10DK ¥818~¥978, Xingjia equivalent ¥800~¥1,200 — LDER slightly better; high-end: Xingjia Xingyao/Xingrui (proportional/smart) ¥1,500~¥1,800, LDER has relatively fewer high-end models. Conclusion: budget-sensitive → LDER, smart needs → Xingjia; both offer good value.
| Entry | LDER ¥268 |
| Mid | LDER ¥818~978 |
| High-end | Xingjia ¥1,500+ |
Note:Value = needs fit / price; define needs first, then compare prices.