{"id":21418,"date":"2026-09-22T15:58:49","date_gmt":"2026-09-22T15:58:49","guid":{"rendered":"https:\/\/tstsyslab.com\/?page_id=21418"},"modified":"2026-09-24T12:38:03","modified_gmt":"2026-09-24T12:38:03","slug":"returns-refund-policy","status":"publish","type":"page","link":"https:\/\/tstsyslab.com\/?page_id=21418","title":{"rendered":"Returns & Refund Policy"},"content":{"rendered":"\t\t
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This Refund and Returns policy explains the voluntary return rules offered by LIMESTONE (HK) LIMITED<\/span> for purchases made through www.tstsyslab.com<\/span>, together with procedures for order problems and refunds.<\/p>

Nothing in this policy limits any mandatory consumer rights or remedies available under applicable law.<\/p>

1. Voluntary 14-Day Return Request Period<\/h2>

You may request a standard return within 14 days after receiving your order.<\/p>

To request a return, contact Support@tstsyslab.com<\/span> and provide:<\/p>

  • your order number;<\/li>
  • the product you wish to return; and<\/li>
  • the reason for the return.<\/li><\/ul>

    Please contact customer service before sending anything to ROOM D5, 5\/F, KING YIP FACTORY BUILDING, 59 KING YIP STREET, KWUN TONG, KOWLOON, HONG KONG<\/span> so that the return arrangements can be confirmed.<\/p>

    2. Change-of-Mind Returns<\/h2>

    For a voluntary change-of-mind return, the product should be:<\/p>

    • unused;<\/li>
    • unopened;<\/li>
    • in its original packaging; and<\/li>
    • where applicable, returned with any hygiene seal intact.<\/li><\/ul>

      Restrictions concerning opened personal-care products apply only to the extent permitted by applicable law.<\/p>

      These conditions do not remove remedies for products that are defective, damaged, incorrect, incomplete, materially different from their description, or otherwise covered by mandatory consumer protections.<\/p>

      For an eligible change-of-mind return, the customer is responsible for the cost of sending the product back to ROOM D5, 5\/F, KING YIP FACTORY BUILDING, 59 KING YIP STREET, KWUN TONG, KOWLOON, HONG KONG<\/span>, unless applicable law requires otherwise.<\/p>

      3. Returns of Boxed Products and Sets<\/h2>

      Where a product is sold as a box, multi-item pack or set, a voluntary return must include the complete contents of that individual sales unit.<\/p>

      We do not accept a voluntary return of only part of the contents of the same individual sales unit.<\/p>

      Buying several units does not, by itself, require you to return every unit or unrelated products from the same order.<\/p>

      It also does not restrict any repair, replacement, refund, price reduction, cancellation, or other remedy that must be provided under applicable law.<\/p>

      4. Damaged, Leaking, Incorrect, Incomplete, or Defective Orders<\/h2>

      If your order arrives damaged, leaking, incomplete, incorrect, defective, or materially different from the product ordered, contact Support@tstsyslab.com<\/span> as soon as reasonably possible.<\/p>

      Please provide your order number and a description of the problem.<\/p>

      Photographs may help us assess the issue and may be requested where reasonable. A video recording of opening the parcel is not the sole evidence required to make a claim.<\/p>

      Where LIMESTONE (HK) LIMITED<\/span> is responsible for an order problem, return or other reasonable costs will be handled according to the circumstances and applicable law. The customer will not automatically be required to bear return costs for every problem order.<\/p>

      Any legally required repair, replacement, refund, cancellation, or other remedy remains available regardless of the store\u2019s voluntary return rules.<\/p>

      5. Return Address<\/h2>

      The return address is:<\/p>

      ROOM D5, 5\/F, KING YIP FACTORY BUILDING, 59 KING YIP STREET, KWUN TONG, KOWLOON, HONG KONG<\/span><\/p>

      Please contact Support@tstsyslab.com<\/span> before sending a return so that the appropriate return arrangements can be confirmed.<\/p>

      Sending a product without contacting customer service first may make identification of the return more difficult, but this administrative process does not remove rights that applicable law requires us to provide.<\/p>

      6. Refunds<\/h2>

      Once a refund has been approved, LIMESTONE (HK) LIMITED<\/span> aims to process it within 7 business days.<\/p>

      Where possible and appropriate, the refund will be sent to the original payment method.<\/p>

      After we process a refund, the time required for the amount to appear in your account may depend on your card issuer or financial institution.<\/p>

      We do not apply an unconfirmed restocking charge, administrative charge, or automatic refund deduction under this policy.<\/p>

      Our internal review process will not be used to postpone a refund indefinitely. If applicable law requires a refund sooner than the period stated above, the legally required deadline applies.<\/p>

      7. Exchanges<\/h2>

      We do not offer a general voluntary exchange service.<\/p>

      This does not restrict any replacement, repair, refund, or other remedy that must be provided under applicable consumer law.<\/p>

      If you wish to purchase a different item as a matter of preference, you may request an eligible return and place a new order separately.<\/p>

      8. Order Cancellation<\/h2>

      If you wish to cancel an order, email Support@tstsyslab.com<\/span> as soon as possible and provide your order number.<\/p>

      Whether the order can be cancelled depends on its processing stage. We cannot guarantee that a cancellation request can be completed.<\/p>

      Any mandatory cancellation or withdrawal right available under applicable law remains unaffected.<\/p>

      9. Statutory Withdrawal and Consumer Rights<\/h2>

      Depending on your location and applicable law, you may have a statutory right to withdraw from certain distance purchases or other mandatory consumer rights.<\/p>

      Where such rights apply, they operate in addition to this store policy and will not be excluded by a voluntary return condition stated here.<\/p>

      Any legally valid exception to a statutory withdrawal right, including an exception relating to appropriately sealed goods opened after delivery, applies only where the applicable law permits that exception.<\/p>

      10. Contact<\/h2>

      For return, refund, cancellation, damaged-order, or other order-related questions, contact:<\/p>

      LIMESTONE (HK) LIMITED<\/span>
      ROOM D5, 5\/F, KING YIP FACTORY BUILDING, 59 KING YIP STREET, KWUN TONG, KOWLOON, HONG KONG<\/span>
      Email: Support@tstsyslab.com<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

      This Refund and Returns policy explains the voluntary return rules offered by for purchases made through , together with procedures for order problems and refunds. Nothing in this policy limits any mandatory consumer rights or remedies available under applicable law. 1. Voluntary 14-Day Return Request Period You may request a standard return within 14 days after receiving your order. To request a return, contact and provide: your order number; the product you wish to return; and the reason for the return. Please contact customer service before sending anything to so that the return arrangements can be confirmed. 2. Change-of-Mind Returns For a voluntary change-of-mind return, the product should be: unused; unopened; in its original packaging; and where applicable, returned with any hygiene seal intact. Restrictions concerning opened personal-care products apply only to the extent permitted by applicable law. These conditions do not remove remedies for products that are defective, damaged, incorrect, incomplete, materially different from their description, or otherwise covered by mandatory consumer protections. For an eligible change-of-mind return, the customer is responsible for the cost of sending the product back to , unless applicable law requires otherwise. 3. Returns of Boxed Products and Sets Where a product is sold as a box, multi-item pack or set, a voluntary return must include the complete contents of that individual sales unit. We do not accept a voluntary return of only part of the contents of the same individual sales unit. Buying several units does not, by itself, require you to return every unit or unrelated products from the same order. It also does not restrict any repair, replacement, refund, price reduction, cancellation, or other remedy that must be provided under applicable law. 4. Damaged, Leaking, Incorrect, Incomplete, or Defective Orders If your order arrives damaged, leaking, incomplete, incorrect, defective, or materially different from the product ordered, contact as soon as reasonably possible. Please provide your order number and a description of the problem. Photographs may help us assess the issue and may be requested where reasonable. A video recording of opening the parcel is not the sole evidence required to make a claim. Where is responsible for an order problem, return or other reasonable costs will be handled according to the circumstances and applicable law. The customer will not automatically be required to bear return costs for every problem order. Any legally required repair, replacement, refund, cancellation, or other remedy remains available regardless of the store\u2019s voluntary return rules. 5. Return Address The return address is: Please contact before sending a return so that the appropriate return arrangements can be confirmed. Sending a product without contacting customer service first may make identification of the return more difficult, but this administrative process does not remove rights that applicable law requires us to provide. 6. Refunds Once a refund has been approved, aims to process it within 7 business days. Where possible and appropriate, the refund will be sent to the original payment method. After we process a refund, the time required for the amount to appear in your account may depend on your card issuer or financial institution. We do not apply an unconfirmed restocking charge, administrative charge, or automatic refund deduction under this policy. Our internal review process will not be used to postpone a refund indefinitely. If applicable law requires a refund sooner than the period stated above, the legally required deadline applies. 7. Exchanges We do not offer a general voluntary exchange service. This does not restrict any replacement, repair, refund, or other remedy that must be provided under applicable consumer law. If you wish to purchase a different item as a matter of preference, you may request an eligible return and place a new order separately. 8. Order Cancellation If you wish to cancel an order, email as soon as possible and provide your order number. Whether the order can be cancelled depends on its processing stage. We cannot guarantee that a cancellation request can be completed. Any mandatory cancellation or withdrawal right available under applicable law remains unaffected. 9. Statutory Withdrawal and Consumer Rights Depending on your location and applicable law, you may have a statutory right to withdraw from certain distance purchases or other mandatory consumer rights. Where such rights apply, they operate in addition to this store policy and will not be excluded by a voluntary return condition stated here. Any legally valid exception to a statutory withdrawal right, including an exception relating to appropriately sealed goods opened after delivery, applies only where the applicable law permits that exception. 10. Contact For return, refund, cancellation, damaged-order, or other order-related questions, contact: Email:<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-21418","page","type-page","status-publish","hentry","post-no-thumbnail"],"_links":{"self":[{"href":"https:\/\/tstsyslab.com\/index.php?rest_route=\/wp\/v2\/pages\/21418","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tstsyslab.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/tstsyslab.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/tstsyslab.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tstsyslab.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=21418"}],"version-history":[{"count":11,"href":"https:\/\/tstsyslab.com\/index.php?rest_route=\/wp\/v2\/pages\/21418\/revisions"}],"predecessor-version":[{"id":23199,"href":"https:\/\/tstsyslab.com\/index.php?rest_route=\/wp\/v2\/pages\/21418\/revisions\/23199"}],"wp:attachment":[{"href":"https:\/\/tstsyslab.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=21418"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}